18161187

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{727}}^1\times {\mathrm{757}}^1$

素因数の和:1498

約数の個数: 16

約数和(自身を含む): 26487552

約数和(自身を除く): 8326365

約数列:

[1, 3, 11, 33, 727, 757, 2181, 2271, 7997, 8327, 23991, 24981, 550339, 1651017, 6053729, 18161187]

約数ペア:

[(1, 18161187), (3, 6053729), (11, 1651017), (33, 550339), (727, 24981), (757, 23991), (2181, 8327), (2271, 7997)]