18109161

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1289}}^1$

素因数の和:1525

約数の個数: 24

約数和(自身を含む): 30051840

約数和(自身を除く): 11942679

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1289, 1561, 2007, 3867, 4683, 9023, 11601, 14049, 27069, 81207, 287447, 862341, 2012129, 2587023, 6036387, 18109161]

約数ペア:

[(1, 18109161), (3, 6036387), (7, 2587023), (9, 2012129), (21, 862341), (63, 287447), (223, 81207), (669, 27069), (1289, 14049), (1561, 11601), (2007, 9023), (3867, 4683)]