81118075

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{881}}^1$

素因数の和:1047

約数の個数: 24

約数和(自身を含む): 104993280

約数和(自身を除く): 23875205

約数列:

[1, 5, 25, 29, 127, 145, 635, 725, 881, 3175, 3683, 4405, 18415, 22025, 25549, 92075, 111887, 127745, 559435, 638725, 2797175, 3244723, 16223615, 81118075]

約数ペア:

[(1, 81118075), (5, 16223615), (25, 3244723), (29, 2797175), (127, 638725), (145, 559435), (635, 127745), (725, 111887), (881, 92075), (3175, 25549), (3683, 22025), (4405, 18415)]