2640285

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2551}}^1$

素因数の和:2585

約数の個数: 24

約数和(自身を含む): 4777344

約数和(自身を除く): 2137059

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 2551, 7653, 12755, 22959, 38265, 58673, 114795, 176019, 293365, 528057, 880095, 2640285]

約数ペア:

[(1, 2640285), (3, 880095), (5, 528057), (9, 293365), (15, 176019), (23, 114795), (45, 58673), (69, 38265), (115, 22959), (207, 12755), (345, 7653), (1035, 2551)]