66528705

素因数分解:

$3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{19889}}^1$

素因数の和:20120

約数の個数: 16

約数和(自身を含む): 106928640

約数和(自身を除く): 40399935

約数列:

[1, 3, 5, 15, 223, 669, 1115, 3345, 19889, 59667, 99445, 298335, 4435247, 13305741, 22176235, 66528705]

約数ペア:

[(1, 66528705), (3, 22176235), (5, 13305741), (15, 4435247), (223, 298335), (669, 99445), (1115, 59667), (3345, 19889)]