80676567

素因数分解:

$3^4\times {\mathrm{643}}^1\times {\mathrm{1549}}^1$

素因数の和:2204

約数の個数: 20

約数和(自身を含む): 120782200

約数和(自身を除く): 40105633

約数列:

[1, 3, 9, 27, 81, 643, 1549, 1929, 4647, 5787, 13941, 17361, 41823, 52083, 125469, 996007, 2988021, 8964063, 26892189, 80676567]

約数ペア:

[(1, 80676567), (3, 26892189), (9, 8964063), (27, 2988021), (81, 996007), (643, 125469), (1549, 52083), (1929, 41823), (4647, 17361), (5787, 13941)]