207948129

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 299228160

約数和(自身を除く): 91280031

約数列:

[1, 3, 23, 43, 69, 109, 129, 327, 643, 989, 1929, 2507, 2967, 4687, 7521, 14061, 14789, 27649, 44367, 70087, 82947, 107801, 210261, 323403, 635927, 1612001, 1907781, 3013741, 4836003, 9041223, 69316043, 207948129]

約数ペア:

[(1, 207948129), (3, 69316043), (23, 9041223), (43, 4836003), (69, 3013741), (109, 1907781), (129, 1612001), (327, 635927), (643, 323403), (989, 210261), (1929, 107801), (2507, 82947), (2967, 70087), (4687, 44367), (7521, 27649), (14061, 14789)]