81318678

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1936159}}^1$

素因数の和:1936171

約数の個数: 16

約数和(自身を含む): 185871360

約数和(自身を除く): 104552682

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1936159, 3872318, 5808477, 11616954, 13553113, 27106226, 40659339, 81318678]

約数ペア:

[(1, 81318678), (2, 40659339), (3, 27106226), (6, 13553113), (7, 11616954), (14, 5808477), (21, 3872318), (42, 1936159)]