20151963

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{57413}}^1$

素因数の和:57435

約数の個数: 16

約数和(自身を含む): 32151840

約数和(自身を除く): 11999877

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 57413, 172239, 516717, 746369, 1550151, 2239107, 6717321, 20151963]

約数ペア:

[(1, 20151963), (3, 6717321), (9, 2239107), (13, 1550151), (27, 746369), (39, 516717), (117, 172239), (351, 57413)]