15396475

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{2131}}^1$

素因数の和:2175

約数の個数: 18

約数和(自身を含む): 20290244

約数和(自身を除く): 4893769

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 2131, 7225, 10655, 36227, 53275, 181135, 615859, 905675, 3079295, 15396475]

約数ペア:

[(1, 15396475), (5, 3079295), (17, 905675), (25, 615859), (85, 181135), (289, 53275), (425, 36227), (1445, 10655), (2131, 7225)]