890604639

素因数分解:

$3^4\times {\mathrm{809}}^1\times {\mathrm{13591}}^1$

素因数の和:14412

約数の個数: 20

約数和(自身を含む): 1332151920

約数和(自身を除く): 441547281

約数列:

[1, 3, 9, 27, 81, 809, 2427, 7281, 13591, 21843, 40773, 65529, 122319, 366957, 1100871, 10995119, 32985357, 98956071, 296868213, 890604639]

約数ペア:

[(1, 890604639), (3, 296868213), (9, 98956071), (27, 32985357), (81, 10995119), (809, 1100871), (2427, 366957), (7281, 122319), (13591, 65529), (21843, 40773)]