7920855

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2551}}^1$

素因数の和:2588

約数の個数: 32

約数和(自身を含む): 14699520

約数和(自身を除く): 6778665

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 2551, 3105, 7653, 12755, 22959, 38265, 58673, 68877, 114795, 176019, 293365, 344385, 528057, 880095, 1584171, 2640285, 7920855]

約数ペア:

[(1, 7920855), (3, 2640285), (5, 1584171), (9, 880095), (15, 528057), (23, 344385), (27, 293365), (45, 176019), (69, 114795), (115, 68877), (135, 58673), (207, 38265), (345, 22959), (621, 12755), (1035, 7653), (2551, 3105)]