12778509

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3529}}^1$

素因数の和:3620

約数の個数: 16

約数和(自身を含む): 18299520

約数和(自身を除く): 5521011

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3529, 3621, 10587, 59993, 179979, 250559, 751677, 4259503, 12778509]

約数ペア:

[(1, 12778509), (3, 4259503), (17, 751677), (51, 250559), (71, 179979), (213, 59993), (1207, 10587), (3529, 3621)]