248796615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{20759}}^1$

素因数の和:20831

約数の個数: 32

約数和(自身を含む): 430479360

約数和(自身を除く): 181682745

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 705, 799, 2397, 3995, 11985, 20759, 62277, 103795, 311385, 352903, 975673, 1058709, 1764515, 2927019, 4878365, 5293545, 14635095, 16586441, 49759323, 82932205, 248796615]

約数ペア:

[(1, 248796615), (3, 82932205), (5, 49759323), (15, 16586441), (17, 14635095), (47, 5293545), (51, 4878365), (85, 2927019), (141, 1764515), (235, 1058709), (255, 975673), (705, 352903), (799, 311385), (2397, 103795), (3995, 62277), (11985, 20759)]