81661818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1944329}}^1$

素因数の和:1944341

約数の個数: 16

約数和(自身を含む): 186655680

約数和(自身を除く): 104993862

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1944329, 3888658, 5832987, 11665974, 13610303, 27220606, 40830909, 81661818]

約数ペア:

[(1, 81661818), (2, 40830909), (3, 27220606), (6, 13610303), (7, 11665974), (14, 5832987), (21, 3888658), (42, 1944329)]