28055547

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3931}}^1$

素因数の和:4011

約数の個数: 24

約数和(自身を含む): 44368688

約数和(自身を除く): 16313141

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 2379, 3931, 7137, 11793, 35379, 51103, 153309, 239791, 459927, 719373, 2158119, 3117283, 9351849, 28055547]

約数ペア:

[(1, 28055547), (3, 9351849), (9, 3117283), (13, 2158119), (39, 719373), (61, 459927), (117, 239791), (183, 153309), (549, 51103), (793, 35379), (2379, 11793), (3931, 7137)]