857115

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{907}}^1$

素因数の和:928

約数の個数: 32

約数和(自身を含む): 1743360

約数和(自身を除く): 886245

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 907, 945, 2721, 4535, 6349, 8163, 13605, 19047, 24489, 31745, 40815, 57141, 95235, 122445, 171423, 285705, 857115]

約数ペア:

[(1, 857115), (3, 285705), (5, 171423), (7, 122445), (9, 95235), (15, 57141), (21, 40815), (27, 31745), (35, 24489), (45, 19047), (63, 13605), (105, 8163), (135, 6349), (189, 4535), (315, 2721), (907, 945)]