8531975

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 11130240

約数和(自身を除く): 2598265

約数列:

[1, 5, 25, 31, 101, 109, 155, 505, 545, 775, 2525, 2725, 3131, 3379, 11009, 15655, 16895, 55045, 78275, 84475, 275225, 341279, 1706395, 8531975]

約数ペア:

[(1, 8531975), (5, 1706395), (25, 341279), (31, 275225), (101, 84475), (109, 78275), (155, 55045), (505, 16895), (545, 15655), (775, 11009), (2525, 3379), (2725, 3131)]