28231749

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{34471}}^1$

素因数の和:34497

約数の個数: 24

約数和(自身を含む): 50191232

約数和(自身を除く): 21959483

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 34471, 103413, 241297, 310239, 448123, 723891, 1344369, 2171673, 3136861, 4033107, 9410583, 28231749]

約数ペア:

[(1, 28231749), (3, 9410583), (7, 4033107), (9, 3136861), (13, 2171673), (21, 1344369), (39, 723891), (63, 448123), (91, 310239), (117, 241297), (273, 103413), (819, 34471)]