15730225

素因数分解:

$5^2\times 7^2\times {\mathrm{12841}}^1$

素因数の和:12865

約数の個数: 18

約数和(自身を含む): 22691814

約数和(自身を除く): 6961589

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 12841, 64205, 89887, 321025, 449435, 629209, 2247175, 3146045, 15730225]

約数ペア:

[(1, 15730225), (5, 3146045), (7, 2247175), (25, 629209), (35, 449435), (49, 321025), (175, 89887), (245, 64205), (1225, 12841)]