206995005

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{657127}}^1$

素因数の和:657145

約数の個数: 24

約数和(自身を含む): 410047872

約数和(自身を除く): 203052867

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 657127, 1971381, 3285635, 4599889, 5914143, 9856905, 13799667, 22999445, 29570715, 41399001, 68998335, 206995005]

約数ペア:

[(1, 206995005), (3, 68998335), (5, 41399001), (7, 29570715), (9, 22999445), (15, 13799667), (21, 9856905), (35, 5914143), (45, 4599889), (63, 3285635), (105, 1971381), (315, 657127)]