2556555

素因数分解:

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

素因数の和:4206

約数の個数: 16

約数和(自身を含む): 4191264

約数和(自身を除く): 1634709

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 4157, 12471, 20785, 62355, 170437, 511311, 852185, 2556555]

約数ペア:

[(1, 2556555), (3, 852185), (5, 511311), (15, 170437), (41, 62355), (123, 20785), (205, 12471), (615, 4157)]