56351619

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{2707}}^1$

素因数の和:2976

約数の個数: 20

約数和(自身を含む): 84538344

約数和(自身を除く): 28186725

約数列:

[1, 3, 9, 27, 81, 257, 771, 2313, 2707, 6939, 8121, 20817, 24363, 73089, 219267, 695699, 2087097, 6261291, 18783873, 56351619]

約数ペア:

[(1, 56351619), (3, 18783873), (9, 6261291), (27, 2087097), (81, 695699), (257, 219267), (771, 73089), (2313, 24363), (2707, 20817), (6939, 8121)]