39891279

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{9857}}^1$

素因数の和:9950

約数の個数: 16

約数和(自身を含む): 56782080

約数和(自身を除く): 16890801

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 9857, 29571, 187283, 561849, 699847, 2099541, 13297093, 39891279]

約数ペア:

[(1, 39891279), (3, 13297093), (19, 2099541), (57, 699847), (71, 561849), (213, 187283), (1349, 29571), (4047, 9857)]