13221565

素因数分解:

$5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{3343}}^1$

素因数の和:3468

約数の個数: 16

約数和(自身を含む): 18298368

約数和(自身を除く): 5076803

約数列:

[1, 5, 7, 35, 113, 565, 791, 3343, 3955, 16715, 23401, 117005, 377759, 1888795, 2644313, 13221565]

約数ペア:

[(1, 13221565), (5, 2644313), (7, 1888795), (35, 377759), (113, 117005), (565, 23401), (791, 16715), (3343, 3955)]