31120791

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11239}}^1$

素因数の和:11326

約数の個数: 16

約数和(自身を含む): 45319680

約数和(自身を除く): 14198889

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 11239, 33717, 146107, 438321, 797969, 2393907, 10373597, 31120791]

約数ペア:

[(1, 31120791), (3, 10373597), (13, 2393907), (39, 797969), (71, 438321), (213, 146107), (923, 33717), (2769, 11239)]