Difference between revisions of "AoPS Wiki talk:Problem of the Day/June 8, 2011"
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==Solution== | ==Solution== | ||
− | <math> | + | <math>121121</math> can be divided into <math>121\times1001</math> |
<math>121=11^2</math> | <math>121=11^2</math> | ||
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<math>121121=7\times\111^3\times13</math> | <math>121121=7\times\111^3\times13</math> | ||
− | <math>7+3 | + | <math>(7+1)(11^3+11^2+11+1)(13+1)</math> gives the sum of the factors (expand it and see). Thus, the answer is <math>\boxed{163968}</math>. |
Latest revision as of 20:46, 7 June 2011
Problem
AoPSWiki:Problem of the Day/June 8, 2011
Solution
can be divided into
$121121=7\times\111^3\times13$ (Error compiling LaTeX. Unknown error_msg)
gives the sum of the factors (expand it and see). Thus, the answer is
.