200289999

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{643}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 337126272

約数和(自身を除く): 136836273

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 163, 273, 489, 637, 643, 1141, 1911, 1929, 2119, 3423, 4501, 6357, 7987, 8359, 13503, 14833, 23961, 25077, 31507, 44499, 58513, 94521, 103831, 104809, 175539, 311493, 314427, 409591, 733663, 1228773, 1362517, 2200989, 4087551, 5135641, 9537619, 15406923, 28612857, 66763333, 200289999]

約数ペア:

[(1, 200289999), (3, 66763333), (7, 28612857), (13, 15406923), (21, 9537619), (39, 5135641), (49, 4087551), (91, 2200989), (147, 1362517), (163, 1228773), (273, 733663), (489, 409591), (637, 314427), (643, 311493), (1141, 175539), (1911, 104809), (1929, 103831), (2119, 94521), (3423, 58513), (4501, 44499), (6357, 31507), (7987, 25077), (8359, 23961), (13503, 14833)]