81120084

素因数分解:

$2^2\times 3^1\times {\mathrm{6760007}}^1$

素因数の和:6760014

約数の個数: 12

約数和(自身を含む): 189280224

約数和(自身を除く): 108160140

約数列:

[1, 2, 3, 4, 6, 12, 6760007, 13520014, 20280021, 27040028, 40560042, 81120084]

約数ペア:

[(1, 81120084), (2, 40560042), (3, 27040028), (4, 20280021), (6, 13520014), (12, 6760007)]