81801419

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{2791}}^1$

素因数の和:2930

約数の個数: 16

約数和(自身を含む): 96491520

約数和(自身を除く): 14690101

約数列:

[1, 7, 53, 79, 371, 553, 2791, 4187, 19537, 29309, 147923, 220489, 1035461, 1543423, 11685917, 81801419]

約数ペア:

[(1, 81801419), (7, 11685917), (53, 1543423), (79, 1035461), (371, 220489), (553, 147923), (2791, 29309), (4187, 19537)]