51656643

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{431}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 80455680

約数和(自身を除く): 28799037

約数列:

[1, 3, 9, 23, 27, 69, 193, 207, 431, 579, 621, 1293, 1737, 3879, 4439, 5211, 9913, 11637, 13317, 29739, 39951, 83183, 89217, 119853, 249549, 267651, 748647, 1913209, 2245941, 5739627, 17218881, 51656643]

約数ペア:

[(1, 51656643), (3, 17218881), (9, 5739627), (23, 2245941), (27, 1913209), (69, 748647), (193, 267651), (207, 249549), (431, 119853), (579, 89217), (621, 83183), (1293, 39951), (1737, 29739), (3879, 13317), (4439, 11637), (5211, 9913)]