7872225

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2441}}^1$

素因数の和:2497

約数の個数: 24

約数和(自身を含む): 13323552

約数和(自身を除く): 5451327

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 2441, 3225, 7323, 12205, 36615, 61025, 104963, 183075, 314889, 524815, 1574445, 2624075, 7872225]

約数ペア:

[(1, 7872225), (3, 2624075), (5, 1574445), (15, 524815), (25, 314889), (43, 183075), (75, 104963), (129, 61025), (215, 36615), (645, 12205), (1075, 7323), (2441, 3225)]