81380139

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{677}}^1\times {\mathrm{2357}}^1$

素因数の和:3054

約数の個数: 16

約数和(自身を含む): 115108128

約数和(自身を除く): 33727989

約数列:

[1, 3, 17, 51, 677, 2031, 2357, 7071, 11509, 34527, 40069, 120207, 1595689, 4787067, 27126713, 81380139]

約数ペア:

[(1, 81380139), (3, 27126713), (17, 4787067), (51, 1595689), (677, 120207), (2031, 40069), (2357, 34527), (7071, 11509)]