15657187

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 21168000

約数和(自身を除く): 5510813

約数列:

[1, 7, 13, 17, 29, 91, 119, 203, 221, 349, 377, 493, 1547, 2443, 2639, 3451, 4537, 5933, 6409, 10121, 31759, 41531, 44863, 70847, 77129, 131573, 172057, 539903, 921011, 1204399, 2236741, 15657187]

約数ペア:

[(1, 15657187), (7, 2236741), (13, 1204399), (17, 921011), (29, 539903), (91, 172057), (119, 131573), (203, 77129), (221, 70847), (349, 44863), (377, 41531), (493, 31759), (1547, 10121), (2443, 6409), (2639, 5933), (3451, 4537)]