28141191

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3943}}^1$

素因数の和:4023

約数の個数: 24

約数和(自身を含む): 44504096

約数和(自身を除く): 16362905

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 2379, 3943, 7137, 11829, 35487, 51259, 153777, 240523, 461331, 721569, 2164707, 3126799, 9380397, 28141191]

約数ペア:

[(1, 28141191), (3, 9380397), (9, 3126799), (13, 2164707), (39, 721569), (61, 461331), (117, 240523), (183, 153777), (549, 51259), (793, 35487), (2379, 11829), (3943, 7137)]