204076215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{647861}}^1$

素因数の和:647879

約数の個数: 24

約数和(自身を含む): 404265888

約数和(自身を除く): 200189673

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 647861, 1943583, 3239305, 4535027, 5830749, 9717915, 13605081, 22675135, 29153745, 40815243, 68025405, 204076215]

約数ペア:

[(1, 204076215), (3, 68025405), (5, 40815243), (7, 29153745), (9, 22675135), (15, 13605081), (21, 9717915), (35, 5830749), (45, 4535027), (63, 3239305), (105, 1943583), (315, 647861)]