207776709

素因数分解:

$3^2\times 7^3\times {\mathrm{67307}}^1$

素因数の和:67334

約数の個数: 24

約数和(自身を含む): 350001600

約数和(自身を除く): 142224891

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 67307, 201921, 471149, 605763, 1413447, 3298043, 4240341, 9894129, 23086301, 29682387, 69258903, 207776709]

約数ペア:

[(1, 207776709), (3, 69258903), (7, 29682387), (9, 23086301), (21, 9894129), (49, 4240341), (63, 3298043), (147, 1413447), (343, 605763), (441, 471149), (1029, 201921), (3087, 67307)]