81638244

素因数分解:

$2^2\times 3^2\times {\mathrm{2267729}}^1$

素因数の和:2267739

約数の個数: 18

約数和(自身を含む): 206363430

約数和(自身を除く): 124725186

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2267729, 4535458, 6803187, 9070916, 13606374, 20409561, 27212748, 40819122, 81638244]

約数ペア:

[(1, 81638244), (2, 40819122), (3, 27212748), (4, 20409561), (6, 13606374), (9, 9070916), (12, 6803187), (18, 4535458), (36, 2267729)]