28989855

素因数分解:

$3^2\times 5^1\times {\mathrm{701}}^1\times {\mathrm{919}}^1$

素因数の和:1631

約数の個数: 24

約数和(自身を含む): 50375520

約数和(自身を除く): 21385665

約数列:

[1, 3, 5, 9, 15, 45, 701, 919, 2103, 2757, 3505, 4595, 6309, 8271, 10515, 13785, 31545, 41355, 644219, 1932657, 3221095, 5797971, 9663285, 28989855]

約数ペア:

[(1, 28989855), (3, 9663285), (5, 5797971), (9, 3221095), (15, 1932657), (45, 644219), (701, 41355), (919, 31545), (2103, 13785), (2757, 10515), (3505, 8271), (4595, 6309)]