81681084

素因数分解:

$2^2\times 3^2\times {\mathrm{2268919}}^1$

素因数の和:2268929

約数の個数: 18

約数和(自身を含む): 206471720

約数和(自身を除く): 124790636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2268919, 4537838, 6806757, 9075676, 13613514, 20420271, 27227028, 40840542, 81681084]

約数ペア:

[(1, 81681084), (2, 40840542), (3, 27227028), (4, 20420271), (6, 13613514), (9, 9075676), (12, 6806757), (18, 4537838), (36, 2268919)]