31312359

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{89209}}^1$

素因数の和:89231

約数の個数: 16

約数和(自身を含む): 49957600

約数和(自身を除く): 18645241

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 89209, 267627, 802881, 1159717, 2408643, 3479151, 10437453, 31312359]

約数ペア:

[(1, 31312359), (3, 10437453), (9, 3479151), (13, 2408643), (27, 1159717), (39, 802881), (117, 267627), (351, 89209)]