13904265

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21557}}^1$

素因数の和:21608

約数の個数: 16

約数和(自身を含む): 22765248

約数和(自身を除く): 8860983

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 21557, 64671, 107785, 323355, 926951, 2780853, 4634755, 13904265]

約数ペア:

[(1, 13904265), (3, 4634755), (5, 2780853), (15, 926951), (43, 323355), (129, 107785), (215, 64671), (645, 21557)]