51263121

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9883}}^1$

素因数の和:9925

約数の個数: 32

約数和(自身を含む): 88560640

約数和(自身を除く): 37297519

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 9883, 29649, 69181, 128479, 187777, 207543, 385437, 563331, 899353, 1314439, 2441101, 2698059, 3943317, 7323303, 17087707, 51263121]

約数ペア:

[(1, 51263121), (3, 17087707), (7, 7323303), (13, 3943317), (19, 2698059), (21, 2441101), (39, 1314439), (57, 899353), (91, 563331), (133, 385437), (247, 207543), (273, 187777), (399, 128479), (741, 69181), (1729, 29649), (5187, 9883)]