13109215

素因数分解:

$5^1\times 7^2\times {\mathrm{53507}}^1$

素因数の和:53526

約数の個数: 12

約数和(自身を含む): 18299736

約数和(自身を除く): 5190521

約数列:

[1, 5, 7, 35, 49, 245, 53507, 267535, 374549, 1872745, 2621843, 13109215]

約数ペア:

[(1, 13109215), (5, 2621843), (7, 1872745), (35, 374549), (49, 267535), (245, 53507)]