51690717

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{16363}}^1$

素因数の和:16391

約数の個数: 24

約数和(自身を含む): 83390944

約数和(自身を除く): 31700227

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 16363, 49089, 147267, 212719, 441801, 638157, 1325403, 1914471, 3976209, 5743413, 17230239, 51690717]

約数ペア:

[(1, 51690717), (3, 17230239), (9, 5743413), (13, 3976209), (27, 1914471), (39, 1325403), (81, 638157), (117, 441801), (243, 212719), (351, 147267), (1053, 49089), (3159, 16363)]