255217851

素因数分解:

$3^3\times 7^1\times {\mathrm{337}}^1\times {\mathrm{4007}}^1$

素因数の和:4360

約数の個数: 32

約数和(自身を含む): 433505280

約数和(自身を除く): 178287429

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 337, 1011, 2359, 3033, 4007, 7077, 9099, 12021, 21231, 28049, 36063, 63693, 84147, 108189, 252441, 757323, 1350359, 4051077, 9452513, 12153231, 28357539, 36459693, 85072617, 255217851]

約数ペア:

[(1, 255217851), (3, 85072617), (7, 36459693), (9, 28357539), (21, 12153231), (27, 9452513), (63, 4051077), (189, 1350359), (337, 757323), (1011, 252441), (2359, 108189), (3033, 84147), (4007, 63693), (7077, 36063), (9099, 28049), (12021, 21231)]