1287849121

素因数分解:

${\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{205957}}^1$

素因数の和:206020

約数の個数: 12

約数和(自身を含む): 1432231932

約数和(自身を除く): 144382811

約数列:

[1, 13, 37, 169, 481, 6253, 205957, 2677441, 7620409, 34806733, 99065317, 1287849121]

約数ペア:

[(1, 1287849121), (13, 99065317), (37, 34806733), (169, 7620409), (481, 2677441), (6253, 205957)]