15771925

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{3733}}^1$

素因数の和:3769

約数の個数: 18

約数和(自身を含む): 21182982

約数和(自身を除く): 5411057

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 3733, 4225, 18665, 48529, 93325, 242645, 630877, 1213225, 3154385, 15771925]

約数ペア:

[(1, 15771925), (5, 3154385), (13, 1213225), (25, 630877), (65, 242645), (169, 93325), (325, 48529), (845, 18665), (3733, 4225)]