15551361

素因数分解:

$3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1279}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 25825280

約数和(自身を除く): 10273919

約数列:

[1, 3, 7, 9, 21, 63, 193, 579, 1279, 1351, 1737, 3837, 4053, 8953, 11511, 12159, 26859, 80577, 246847, 740541, 1727929, 2221623, 5183787, 15551361]

約数ペア:

[(1, 15551361), (3, 5183787), (7, 2221623), (9, 1727929), (21, 740541), (63, 246847), (193, 80577), (579, 26859), (1279, 12159), (1351, 11511), (1737, 8953), (3837, 4053)]