171771925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{727}}^2$

素因数の和:1477

約数の個数: 18

約数和(自身を含む): 229697538

約数和(自身を除く): 57925613

約数列:

[1, 5, 13, 25, 65, 325, 727, 3635, 9451, 18175, 47255, 236275, 528529, 2642645, 6870877, 13213225, 34354385, 171771925]

約数ペア:

[(1, 171771925), (5, 34354385), (13, 13213225), (25, 6870877), (65, 2642645), (325, 528529), (727, 236275), (3635, 47255), (9451, 18175)]