2571345

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{907}}^1$

素因数の和:931

約数の個数: 40

約数和(自身を含む): 5273664

約数和(自身を除く): 2702319

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 907, 945, 2721, 2835, 4535, 6349, 8163, 13605, 19047, 24489, 31745, 40815, 57141, 73467, 95235, 122445, 171423, 285705, 367335, 514269, 857115, 2571345]

約数ペア:

[(1, 2571345), (3, 857115), (5, 514269), (7, 367335), (9, 285705), (15, 171423), (21, 122445), (27, 95235), (35, 73467), (45, 57141), (63, 40815), (81, 31745), (105, 24489), (135, 19047), (189, 13605), (315, 8163), (405, 6349), (567, 4535), (907, 2835), (945, 2721)]