81209853

素因数分解:

$3^2\times {\mathrm{503}}^1\times {\mathrm{17939}}^1$

素因数の和:18448

約数の個数: 12

約数和(自身を含む): 117542880

約数和(自身を除く): 36333027

約数列:

[1, 3, 9, 503, 1509, 4527, 17939, 53817, 161451, 9023317, 27069951, 81209853]

約数ペア:

[(1, 81209853), (3, 27069951), (9, 9023317), (503, 161451), (1509, 53817), (4527, 17939)]