77556921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{757}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 116137728

約数和(自身を除く): 38580807

約数列:

[1, 3, 13, 37, 39, 71, 111, 213, 481, 757, 923, 1443, 2271, 2627, 2769, 7881, 9841, 28009, 29523, 34151, 53747, 84027, 102453, 161241, 364117, 698711, 1092351, 1988639, 2096133, 5965917, 25852307, 77556921]

約数ペア:

[(1, 77556921), (3, 25852307), (13, 5965917), (37, 2096133), (39, 1988639), (71, 1092351), (111, 698711), (213, 364117), (481, 161241), (757, 102453), (923, 84027), (1443, 53747), (2271, 34151), (2627, 29523), (2769, 28009), (7881, 9841)]