54321319

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:570

約数の個数: 16

約数和(自身を含む): 59814720

約数和(自身を除く): 5493401

約数列:

[1, 13, 71, 229, 257, 923, 2977, 3341, 16259, 18247, 58853, 211367, 237211, 765089, 4178563, 54321319]

約数ペア:

[(1, 54321319), (13, 4178563), (71, 765089), (229, 237211), (257, 211367), (923, 58853), (2977, 18247), (3341, 16259)]