51081471

素因数分解:

$3^2\times 7^2\times {\mathrm{115831}}^1$

素因数の和:115851

約数の個数: 18

約数和(自身を含む): 85831512

約数和(自身を除く): 34750041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 115831, 347493, 810817, 1042479, 2432451, 5675719, 7297353, 17027157, 51081471]

約数ペア:

[(1, 51081471), (3, 17027157), (7, 7297353), (9, 5675719), (21, 2432451), (49, 1042479), (63, 810817), (147, 347493), (441, 115831)]