2557905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1433}}^1$

素因数の和:1465

約数の個数: 32

約数和(自身を含む): 4955904

約数和(自身を除く): 2397999

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1433, 1785, 4299, 7165, 10031, 21495, 24361, 30093, 50155, 73083, 121805, 150465, 170527, 365415, 511581, 852635, 2557905]

約数ペア:

[(1, 2557905), (3, 852635), (5, 511581), (7, 365415), (15, 170527), (17, 150465), (21, 121805), (35, 73083), (51, 50155), (85, 30093), (105, 24361), (119, 21495), (255, 10031), (357, 7165), (595, 4299), (1433, 1785)]