18001845

素因数分解:

$3^4\times 5^1\times {\mathrm{44449}}^1$

素因数の和:44466

約数の個数: 20

約数和(自身を含む): 32270700

約数和(自身を除く): 14268855

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 44449, 133347, 222245, 400041, 666735, 1200123, 2000205, 3600369, 6000615, 18001845]

約数ペア:

[(1, 18001845), (3, 6000615), (5, 3600369), (9, 2000205), (15, 1200123), (27, 666735), (45, 400041), (81, 222245), (135, 133347), (405, 44449)]