1639892799

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{1229}}^1\times {\mathrm{4007}}^1$

素因数の和:5279

約数の個数: 24

約数和(自身を含む): 2435340960

約数和(自身を除く): 795448161

約数列:

[1, 3, 9, 37, 111, 333, 1229, 3687, 4007, 11061, 12021, 36063, 45473, 136419, 148259, 409257, 444777, 1334331, 4924603, 14773809, 44321427, 182210311, 546630933, 1639892799]

約数ペア:

[(1, 1639892799), (3, 546630933), (9, 182210311), (37, 44321427), (111, 14773809), (333, 4924603), (1229, 1334331), (3687, 444777), (4007, 409257), (11061, 148259), (12021, 136419), (36063, 45473)]