12782775

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{4157}}^1$

素因数の和:4211

約数の個数: 24

約数和(自身を含む): 21654864

約数和(自身を除く): 8872089

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 4157, 12471, 20785, 62355, 103925, 170437, 311775, 511311, 852185, 2556555, 4260925, 12782775]

約数ペア:

[(1, 12782775), (3, 4260925), (5, 2556555), (15, 852185), (25, 511311), (41, 311775), (75, 170437), (123, 103925), (205, 62355), (615, 20785), (1025, 12471), (3075, 4157)]