7815285

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{839}}^1$

素因数の和:879

約数の個数: 40

約数和(自身を含む): 14636160

約数和(自身を除く): 6820875

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 839, 1035, 1863, 2517, 3105, 4195, 7551, 9315, 12585, 19297, 22653, 37755, 57891, 67959, 96485, 113265, 173673, 289455, 339795, 521019, 868365, 1563057, 2605095, 7815285]

約数ペア:

[(1, 7815285), (3, 2605095), (5, 1563057), (9, 868365), (15, 521019), (23, 339795), (27, 289455), (45, 173673), (69, 113265), (81, 96485), (115, 67959), (135, 57891), (207, 37755), (345, 22653), (405, 19297), (621, 12585), (839, 9315), (1035, 7551), (1863, 4195), (2517, 3105)]