205777719

素因数分解:

$3^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{8573}}^1$

素因数の和:8716

約数の個数: 32

約数和(自身を含む): 351191040

約数和(自身を除く): 145413321

約数列:

[1, 3, 7, 9, 21, 27, 63, 127, 189, 381, 889, 1143, 2667, 3429, 8001, 8573, 24003, 25719, 60011, 77157, 180033, 231471, 540099, 1088771, 1620297, 3266313, 7621397, 9798939, 22864191, 29396817, 68592573, 205777719]

約数ペア:

[(1, 205777719), (3, 68592573), (7, 29396817), (9, 22864191), (21, 9798939), (27, 7621397), (63, 3266313), (127, 1620297), (189, 1088771), (381, 540099), (889, 231471), (1143, 180033), (2667, 77157), (3429, 60011), (8001, 25719), (8573, 24003)]