18156747

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{6311}}^1$

素因数の和:6458

約数の個数: 16

約数和(自身を含む): 27873792

約数和(自身を除く): 9717045

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 6311, 18933, 44177, 132531, 864607, 2593821, 6052249, 18156747]

約数ペア:

[(1, 18156747), (3, 6052249), (7, 2593821), (21, 864607), (137, 132531), (411, 44177), (959, 18933), (2877, 6311)]