39789405

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20563}}^1$

素因数の和:20617

約数の個数: 24

約数和(自身を含む): 70575648

約数和(自身を除く): 30786243

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 20563, 61689, 102815, 185067, 308445, 884209, 925335, 2652627, 4421045, 7957881, 13263135, 39789405]

約数ペア:

[(1, 39789405), (3, 13263135), (5, 7957881), (9, 4421045), (15, 2652627), (43, 925335), (45, 884209), (129, 308445), (215, 185067), (387, 102815), (645, 61689), (1935, 20563)]