12021615

素因数分解:

$3^4\times 5^1\times {\mathrm{29683}}^1$

素因数の和:29700

約数の個数: 20

約数和(自身を含む): 21550584

約数和(自身を除く): 9528969

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 29683, 89049, 148415, 267147, 445245, 801441, 1335735, 2404323, 4007205, 12021615]

約数ペア:

[(1, 12021615), (3, 4007205), (5, 2404323), (9, 1335735), (15, 801441), (27, 445245), (45, 267147), (81, 148415), (135, 89049), (405, 29683)]