16666209

素因数分解:

$3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{809}}^1$

素因数の和:934

約数の個数: 32

約数和(自身を含む): 28512000

約数和(自身を除く): 11845791

約数列:

[1, 3, 7, 9, 21, 27, 63, 109, 189, 327, 763, 809, 981, 2289, 2427, 2943, 5663, 6867, 7281, 16989, 20601, 21843, 50967, 88181, 152901, 264543, 617267, 793629, 1851801, 2380887, 5555403, 16666209]

約数ペア:

[(1, 16666209), (3, 5555403), (7, 2380887), (9, 1851801), (21, 793629), (27, 617267), (63, 264543), (109, 152901), (189, 88181), (327, 50967), (763, 21843), (809, 20601), (981, 16989), (2289, 7281), (2427, 6867), (2943, 5663)]