15963615

素因数分解:

$3^3\times 5^1\times {\mathrm{118249}}^1$

素因数の和:118263

約数の個数: 16

約数和(自身を含む): 28380000

約数和(自身を除く): 12416385

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 118249, 354747, 591245, 1064241, 1773735, 3192723, 5321205, 15963615]

約数ペア:

[(1, 15963615), (3, 5321205), (5, 3192723), (9, 1773735), (15, 1064241), (27, 591245), (45, 354747), (135, 118249)]