12790863

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 19277856

約数和(自身を除く): 6486993

約数列:

[1, 3, 9, 37, 71, 111, 213, 333, 541, 639, 1623, 2627, 4869, 7881, 20017, 23643, 38411, 60051, 115233, 180153, 345699, 1421207, 4263621, 12790863]

約数ペア:

[(1, 12790863), (3, 4263621), (9, 1421207), (37, 345699), (71, 180153), (111, 115233), (213, 60051), (333, 38411), (541, 23643), (639, 20017), (1623, 7881), (2627, 4869)]