15990831

素因数分解:

$3^3\times {\mathrm{349}}^1\times {\mathrm{1697}}^1$

素因数の和:2055

約数の個数: 16

約数和(自身を含む): 23772000

約数和(自身を除く): 7781169

約数列:

[1, 3, 9, 27, 349, 1047, 1697, 3141, 5091, 9423, 15273, 45819, 592253, 1776759, 5330277, 15990831]

約数ペア:

[(1, 15990831), (3, 5330277), (9, 1776759), (27, 592253), (349, 45819), (1047, 15273), (1697, 9423), (3141, 5091)]