2155475

素因数分解:

$5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 3109920

約数和(自身を除く): 954445

約数列:

[1, 5, 7, 25, 35, 109, 113, 175, 545, 565, 763, 791, 2725, 2825, 3815, 3955, 12317, 19075, 19775, 61585, 86219, 307925, 431095, 2155475]

約数ペア:

[(1, 2155475), (5, 431095), (7, 307925), (25, 86219), (35, 61585), (109, 19775), (113, 19075), (175, 12317), (545, 3955), (565, 3815), (763, 2825), (791, 2725)]