51081021

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{79939}}^1$

素因数の和:80016

約数の個数: 12

約数和(自身を含む): 74823840

約数和(自身を除く): 23742819

約数列:

[1, 3, 9, 71, 213, 639, 79939, 239817, 719451, 5675669, 17027007, 51081021]

約数ペア:

[(1, 51081021), (3, 17027007), (9, 5675669), (71, 719451), (213, 239817), (639, 79939)]