12866445

素因数分解:

$3^4\times 5^1\times {\mathrm{31769}}^1$

素因数の和:31786

約数の個数: 20

約数和(自身を含む): 23065020

約数和(自身を除く): 10198575

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 31769, 95307, 158845, 285921, 476535, 857763, 1429605, 2573289, 4288815, 12866445]

約数ペア:

[(1, 12866445), (3, 4288815), (5, 2573289), (9, 1429605), (15, 857763), (27, 476535), (45, 285921), (81, 158845), (135, 95307), (405, 31769)]