12721575

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{5849}}^1$

素因数の和:5891

約数の個数: 24

約数和(自身を含む): 21762000

約数和(自身を除く): 9040425

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 5849, 17547, 29245, 87735, 146225, 169621, 438675, 508863, 848105, 2544315, 4240525, 12721575]

約数ペア:

[(1, 12721575), (3, 4240525), (5, 2544315), (15, 848105), (25, 508863), (29, 438675), (75, 169621), (87, 146225), (145, 87735), (435, 29245), (725, 17547), (2175, 5849)]