81120012

素因数分解:

$2^2\times 3^1\times {\mathrm{6760001}}^1$

素因数の和:6760008

約数の個数: 12

約数和(自身を含む): 189280056

約数和(自身を除く): 108160044

約数列:

[1, 2, 3, 4, 6, 12, 6760001, 13520002, 20280003, 27040004, 40560006, 81120012]

約数ペア:

[(1, 81120012), (2, 40560006), (3, 27040004), (4, 20280003), (6, 13520002), (12, 6760001)]