12638745

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{40123}}^1$

素因数の和:40141

約数の個数: 24

約数和(自身を含む): 25037376

約数和(自身を除く): 12398631

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 40123, 120369, 200615, 280861, 361107, 601845, 842583, 1404305, 1805535, 2527749, 4212915, 12638745]

約数ペア:

[(1, 12638745), (3, 4212915), (5, 2527749), (7, 1805535), (9, 1404305), (15, 842583), (21, 601845), (35, 361107), (45, 280861), (63, 200615), (105, 120369), (315, 40123)]