Difference between revisions of "2023 APMO Problems/Problem 2"
(Created page with "==Problem== Find all integers <math>n</math> satisfying <math>n \ge 2</math> and <math>\frac{\sigma(n)}{p(n)-1}, in which </math>\sigma(n)<math> denotes the sum of all positi...") |
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satisfying 
and 
\sigma(n)
n
p(n)
n$.
