12281913

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1423}}^1$

素因数の和:1573

約数の個数: 24

約数和(自身を含む): 20437248

約数和(自身を除く): 8155335

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 1423, 2877, 4269, 8631, 9961, 12807, 29883, 89649, 194951, 584853, 1364657, 1754559, 4093971, 12281913]

約数ペア:

[(1, 12281913), (3, 4093971), (7, 1754559), (9, 1364657), (21, 584853), (63, 194951), (137, 89649), (411, 29883), (959, 12807), (1233, 9961), (1423, 8631), (2877, 4269)]