64131993

素因数分解:

$3^4\times {\mathrm{307}}^1\times {\mathrm{2579}}^1$

素因数の和:2898

約数の個数: 20

約数和(自身を含む): 96151440

約数和(自身を除く): 32019447

約数列:

[1, 3, 9, 27, 81, 307, 921, 2579, 2763, 7737, 8289, 23211, 24867, 69633, 208899, 791753, 2375259, 7125777, 21377331, 64131993]

約数ペア:

[(1, 64131993), (3, 21377331), (9, 7125777), (27, 2375259), (81, 791753), (307, 208899), (921, 69633), (2579, 24867), (2763, 23211), (7737, 8289)]