71223615

素因数分解:

$3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{3947}}^1$

素因数の和:4359

約数の個数: 24

約数和(自身を含む): 123793488

約数和(自身を除く): 52569873

約数列:

[1, 3, 5, 9, 15, 45, 401, 1203, 2005, 3609, 3947, 6015, 11841, 18045, 19735, 35523, 59205, 177615, 1582747, 4748241, 7913735, 14244723, 23741205, 71223615]

約数ペア:

[(1, 71223615), (3, 23741205), (5, 14244723), (9, 7913735), (15, 4748241), (45, 1582747), (401, 177615), (1203, 59205), (2005, 35523), (3609, 19735), (3947, 18045), (6015, 11841)]