13821717

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 22885632

約数和(自身を除く): 9063915

約数列:

[1, 3, 7, 13, 21, 39, 91, 197, 257, 273, 591, 771, 1379, 1799, 2561, 3341, 4137, 5397, 7683, 10023, 17927, 23387, 50629, 53781, 70161, 151887, 354403, 658177, 1063209, 1974531, 4607239, 13821717]

約数ペア:

[(1, 13821717), (3, 4607239), (7, 1974531), (13, 1063209), (21, 658177), (39, 354403), (91, 151887), (197, 70161), (257, 53781), (273, 50629), (591, 23387), (771, 17927), (1379, 10023), (1799, 7683), (2561, 5397), (3341, 4137)]