7644357

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1709}}^1$

素因数の和:1793

約数の個数: 24

約数和(自身を含む): 12804480

約数和(自身を除く): 5160123

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 1709, 4473, 5127, 11963, 15381, 35889, 107667, 121339, 364017, 849373, 1092051, 2548119, 7644357]

約数ペア:

[(1, 7644357), (3, 2548119), (7, 1092051), (9, 849373), (21, 364017), (63, 121339), (71, 107667), (213, 35889), (497, 15381), (639, 11963), (1491, 5127), (1709, 4473)]