51715923

素因数分解:

$3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{2531}}^1$

素因数の和:2687

約数の個数: 24

約数和(自身を含む): 80821440

約数和(自身を除く): 29105517

約数列:

[1, 3, 7, 21, 49, 139, 147, 417, 973, 2531, 2919, 6811, 7593, 17717, 20433, 53151, 124019, 351809, 372057, 1055427, 2462663, 7387989, 17238641, 51715923]

約数ペア:

[(1, 51715923), (3, 17238641), (7, 7387989), (21, 2462663), (49, 1055427), (139, 372057), (147, 351809), (417, 124019), (973, 53151), (2531, 20433), (2919, 17717), (6811, 7593)]