12105145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 16498944

約数和(自身を除く): 4393799

約数列:

[1, 5, 13, 43, 61, 65, 71, 215, 305, 355, 559, 793, 923, 2623, 2795, 3053, 3965, 4331, 4615, 13115, 15265, 21655, 34099, 39689, 56303, 170495, 186233, 198445, 281515, 931165, 2421029, 12105145]

約数ペア:

[(1, 12105145), (5, 2421029), (13, 931165), (43, 281515), (61, 198445), (65, 186233), (71, 170495), (215, 56303), (305, 39689), (355, 34099), (559, 21655), (793, 15265), (923, 13115), (2623, 4615), (2795, 4331), (3053, 3965)]