12561555

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{49261}}^1$

素因数の和:49286

約数の個数: 16

約数和(自身を含む): 21281184

約数和(自身を除く): 8719629

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 49261, 147783, 246305, 738915, 837437, 2512311, 4187185, 12561555]

約数ペア:

[(1, 12561555), (3, 4187185), (5, 2512311), (15, 837437), (17, 738915), (51, 246305), (85, 147783), (255, 49261)]