15721838211

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1823}}^1\times {\mathrm{2131}}^1$

素因数の和:4047

約数の個数: 32

約数和(自身を含む): 22399303680

約数和(自身を除く): 6677465469

約数列:

[1, 3, 19, 57, 71, 213, 1349, 1823, 2131, 4047, 5469, 6393, 34637, 40489, 103911, 121467, 129433, 151301, 388299, 453903, 2459227, 2874719, 3884813, 7377681, 8624157, 11654439, 73811447, 221434341, 275821723, 827465169, 5240612737, 15721838211]

約数ペア:

[(1, 15721838211), (3, 5240612737), (19, 827465169), (57, 275821723), (71, 221434341), (213, 73811447), (1349, 11654439), (1823, 8624157), (2131, 7377681), (4047, 3884813), (5469, 2874719), (6393, 2459227), (34637, 453903), (40489, 388299), (103911, 151301), (121467, 129433)]