12937869

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1499}}^1$

素因数の和:1649

約数の個数: 24

約数和(自身を含む): 21528000

約数和(自身を除く): 8590131

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 1499, 2877, 4497, 8631, 10493, 13491, 31479, 94437, 205363, 616089, 1437541, 1848267, 4312623, 12937869]

約数ペア:

[(1, 12937869), (3, 4312623), (7, 1848267), (9, 1437541), (21, 616089), (63, 205363), (137, 94437), (411, 31479), (959, 13491), (1233, 10493), (1499, 8631), (2877, 4497)]