18017829

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{4871}}^1$

素因数の和:5017

約数の個数: 16

約数和(自身を含む): 26893440

約数和(自身を除く): 8875611

約数列:

[1, 3, 9, 27, 137, 411, 1233, 3699, 4871, 14613, 43839, 131517, 667327, 2001981, 6005943, 18017829]

約数ペア:

[(1, 18017829), (3, 6005943), (9, 2001981), (27, 667327), (137, 131517), (411, 43839), (1233, 14613), (3699, 4871)]