51258789

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{13033}}^1$

素因数の和:13081

約数の個数: 24

約数和(自身を含む): 81332160

約数和(自身を除く): 30073371

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 13033, 39099, 117297, 247627, 299759, 742881, 899277, 2228643, 2697831, 5695421, 17086263, 51258789]

約数ペア:

[(1, 51258789), (3, 17086263), (9, 5695421), (19, 2697831), (23, 2228643), (57, 899277), (69, 742881), (171, 299759), (207, 247627), (437, 117297), (1311, 39099), (3933, 13033)]