1749275919

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{304169}}^1$

素因数の和:304252

約数の個数: 20

約数和(自身を含む): 2649929040

約数和(自身を除く): 900653121

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 304169, 912507, 2737521, 8212563, 21595999, 24637689, 64787997, 194363991, 583091973, 1749275919]

約数ペア:

[(1, 1749275919), (3, 583091973), (9, 194363991), (27, 64787997), (71, 24637689), (81, 21595999), (213, 8212563), (639, 2737521), (1917, 912507), (5751, 304169)]