20187819

素因数分解:

$3^3\times {\mathrm{233}}^1\times {\mathrm{3209}}^1$

素因数の和:3451

約数の個数: 16

約数和(自身を含む): 30045600

約数和(自身を除く): 9857781

約数列:

[1, 3, 9, 27, 233, 699, 2097, 3209, 6291, 9627, 28881, 86643, 747697, 2243091, 6729273, 20187819]

約数ペア:

[(1, 20187819), (3, 6729273), (9, 2243091), (27, 747697), (233, 86643), (699, 28881), (2097, 9627), (3209, 6291)]