7980471

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 12579840

約数和(自身を除く): 4599369

約数列:

[1, 3, 9, 23, 27, 69, 71, 181, 207, 213, 543, 621, 639, 1629, 1633, 1917, 4163, 4887, 4899, 12489, 12851, 14697, 37467, 38553, 44091, 112401, 115659, 295573, 346977, 886719, 2660157, 7980471]

約数ペア:

[(1, 7980471), (3, 2660157), (9, 886719), (23, 346977), (27, 295573), (69, 115659), (71, 112401), (181, 44091), (207, 38553), (213, 37467), (543, 14697), (621, 12851), (639, 12489), (1629, 4899), (1633, 4887), (1917, 4163)]