11515205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{613}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 15833832

約数和(自身を除く): 4318627

約数列:

[1, 5, 13, 17, 65, 85, 221, 289, 613, 1105, 1445, 3065, 3757, 7969, 10421, 18785, 39845, 52105, 135473, 177157, 677365, 885785, 2303041, 11515205]

約数ペア:

[(1, 11515205), (5, 2303041), (13, 885785), (17, 677365), (65, 177157), (85, 135473), (221, 52105), (289, 39845), (613, 18785), (1105, 10421), (1445, 7969), (3065, 3757)]