2986305

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 5909760

約数和(自身を除く): 2923455

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 239, 245, 255, 357, 595, 717, 735, 833, 1195, 1673, 1785, 2499, 3585, 4063, 4165, 5019, 8365, 11711, 12189, 12495, 20315, 25095, 28441, 35133, 58555, 60945, 85323, 142205, 175665, 199087, 426615, 597261, 995435, 2986305]

約数ペア:

[(1, 2986305), (3, 995435), (5, 597261), (7, 426615), (15, 199087), (17, 175665), (21, 142205), (35, 85323), (49, 60945), (51, 58555), (85, 35133), (105, 28441), (119, 25095), (147, 20315), (239, 12495), (245, 12189), (255, 11711), (357, 8365), (595, 5019), (717, 4165), (735, 4063), (833, 3585), (1195, 2499), (1673, 1785)]