64497465

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2243}}^1$

素因数の和:2331

約数の個数: 40

約数和(自身を含む): 117298368

約数和(自身を除く): 52800903

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 1065, 1917, 2243, 3195, 5751, 6729, 9585, 11215, 20187, 28755, 33645, 60561, 100935, 159253, 181683, 302805, 477759, 796265, 908415, 1433277, 2388795, 4299831, 7166385, 12899493, 21499155, 64497465]

約数ペア:

[(1, 64497465), (3, 21499155), (5, 12899493), (9, 7166385), (15, 4299831), (27, 2388795), (45, 1433277), (71, 908415), (81, 796265), (135, 477759), (213, 302805), (355, 181683), (405, 159253), (639, 100935), (1065, 60561), (1917, 33645), (2243, 28755), (3195, 20187), (5751, 11215), (6729, 9585)]