18690615

素因数分解:

$3^3\times 5^1\times {\mathrm{138449}}^1$

素因数の和:138463

約数の個数: 16

約数和(自身を含む): 33228000

約数和(自身を除く): 14537385

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 138449, 415347, 692245, 1246041, 2076735, 3738123, 6230205, 18690615]

約数ペア:

[(1, 18690615), (3, 6230205), (5, 3738123), (9, 2076735), (15, 1246041), (27, 692245), (45, 415347), (135, 138449)]