18231615

素因数分解:

$3^3\times 5^1\times {\mathrm{135049}}^1$

素因数の和:135063

約数の個数: 16

約数和(自身を含む): 32412000

約数和(自身を除く): 14180385

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 135049, 405147, 675245, 1215441, 2025735, 3646323, 6077205, 18231615]

約数ペア:

[(1, 18231615), (3, 6077205), (5, 3646323), (9, 2025735), (15, 1215441), (27, 675245), (45, 405147), (135, 135049)]