9971343

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{479}}^1$

素因数の和:748

約数の個数: 20

約数和(自身を含む): 14984640

約数和(自身を除く): 5013297

約数列:

[1, 3, 9, 27, 81, 257, 479, 771, 1437, 2313, 4311, 6939, 12933, 20817, 38799, 123103, 369309, 1107927, 3323781, 9971343]

約数ペア:

[(1, 9971343), (3, 3323781), (9, 1107927), (27, 369309), (81, 123103), (257, 38799), (479, 20817), (771, 12933), (1437, 6939), (2313, 4311)]