81611091

素因数分解:

$3^3\times {\mathrm{239}}^1\times {\mathrm{12647}}^1$

素因数の和:12895

約数の個数: 16

約数和(自身を含む): 121420800

約数和(自身を除く): 39809709

約数列:

[1, 3, 9, 27, 239, 717, 2151, 6453, 12647, 37941, 113823, 341469, 3022633, 9067899, 27203697, 81611091]

約数ペア:

[(1, 81611091), (3, 27203697), (9, 9067899), (27, 3022633), (239, 341469), (717, 113823), (2151, 37941), (6453, 12647)]