66756669

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{4409}}^1$

素因数の和:4529

約数の個数: 24

約数和(自身を含む): 104569920

約数和(自身を除く): 37813251

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 721, 2163, 4409, 5047, 13227, 15141, 30863, 92589, 216041, 454127, 648123, 1362381, 3178889, 9536667, 22252223, 66756669]

約数ペア:

[(1, 66756669), (3, 22252223), (7, 9536667), (21, 3178889), (49, 1362381), (103, 648123), (147, 454127), (309, 216041), (721, 92589), (2163, 30863), (4409, 15141), (5047, 13227)]