15704819991

素因数分解:

$3^2\times 7^1\times {\mathrm{2207}}^1\times {\mathrm{112951}}^1$

素因数の和:115171

約数の個数: 24

約数和(自身を含む): 25937393664

約数和(自身を除く): 10232573673

約数列:

[1, 3, 7, 9, 21, 63, 2207, 6621, 15449, 19863, 46347, 112951, 139041, 338853, 790657, 1016559, 2371971, 7115913, 249282857, 747848571, 1744979999, 2243545713, 5234939997, 15704819991]

約数ペア:

[(1, 15704819991), (3, 5234939997), (7, 2243545713), (9, 1744979999), (21, 747848571), (63, 249282857), (2207, 7115913), (6621, 2371971), (15449, 1016559), (19863, 790657), (46347, 338853), (112951, 139041)]