51255981

素因数分解:

$3^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1657}}^1$

素因数の和:2161

約数の個数: 24

約数和(自身を含む): 84836544

約数和(自身を除く): 33580563

約数列:

[1, 3, 7, 9, 21, 63, 491, 1473, 1657, 3437, 4419, 4971, 10311, 11599, 14913, 30933, 34797, 104391, 813587, 2440761, 5695109, 7322283, 17085327, 51255981]

約数ペア:

[(1, 51255981), (3, 17085327), (7, 7322283), (9, 5695109), (21, 2440761), (63, 813587), (491, 104391), (1473, 34797), (1657, 30933), (3437, 14913), (4419, 11599), (4971, 10311)]