289957113

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 449729280

約数和(自身を除く): 159772167

約数列:

[1, 3, 9, 23, 69, 71, 109, 181, 207, 213, 327, 543, 639, 981, 1629, 1633, 2507, 4163, 4899, 7521, 7739, 12489, 12851, 14697, 19729, 22563, 23217, 37467, 38553, 59187, 69651, 115659, 177561, 177997, 295573, 453767, 533991, 886719, 1361301, 1400759, 1601973, 2660157, 4083903, 4202277, 12606831, 32217457, 96652371, 289957113]

約数ペア:

[(1, 289957113), (3, 96652371), (9, 32217457), (23, 12606831), (69, 4202277), (71, 4083903), (109, 2660157), (181, 1601973), (207, 1400759), (213, 1361301), (327, 886719), (543, 533991), (639, 453767), (981, 295573), (1629, 177997), (1633, 177561), (2507, 115659), (4163, 69651), (4899, 59187), (7521, 38553), (7739, 37467), (12489, 23217), (12851, 22563), (14697, 19729)]