51781093

素因数分解:

$7^2\times {\mathrm{13}}^4\times {\mathrm{37}}^1$

素因数の和:103

約数の個数: 30

約数和(自身を含む): 67018206

約数和(自身を除く): 15237113

約数列:

[1, 7, 13, 37, 49, 91, 169, 259, 481, 637, 1183, 1813, 2197, 3367, 6253, 8281, 15379, 23569, 28561, 43771, 81289, 107653, 199927, 306397, 569023, 1056757, 1399489, 3983161, 7397299, 51781093]

約数ペア:

[(1, 51781093), (7, 7397299), (13, 3983161), (37, 1399489), (49, 1056757), (91, 569023), (169, 306397), (259, 199927), (481, 107653), (637, 81289), (1183, 43771), (1813, 28561), (2197, 23569), (3367, 15379), (6253, 8281)]