207638559

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{12149}}^1$

素因数の和:12372

約数の個数: 20

約数和(自身を含む): 311671800

約数和(自身を除く): 104033241

約数列:

[1, 3, 9, 27, 81, 211, 633, 1899, 5697, 12149, 17091, 36447, 109341, 328023, 984069, 2563439, 7690317, 23070951, 69212853, 207638559]

約数ペア:

[(1, 207638559), (3, 69212853), (9, 23070951), (27, 7690317), (81, 2563439), (211, 984069), (633, 328023), (1899, 109341), (5697, 36447), (12149, 17091)]