81203421

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{13789}}^1$

素因数の和:13956

約数の個数: 16

約数和(自身を含む): 117380480

約数和(自身を除く): 36177059

約数列:

[1, 3, 13, 39, 151, 453, 1963, 5889, 13789, 41367, 179257, 537771, 2082139, 6246417, 27067807, 81203421]

約数ペア:

[(1, 81203421), (3, 27067807), (13, 6246417), (39, 2082139), (151, 537771), (453, 179257), (1963, 41367), (5889, 13789)]