8400429

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{757}}^1$

素因数の和:906

約数の個数: 20

約数和(自身を含む): 12657084

約数和(自身を除く): 4256655

約数列:

[1, 3, 9, 27, 81, 137, 411, 757, 1233, 2271, 3699, 6813, 11097, 20439, 61317, 103709, 311127, 933381, 2800143, 8400429]

約数ペア:

[(1, 8400429), (3, 2800143), (9, 933381), (27, 311127), (81, 103709), (137, 61317), (411, 20439), (757, 11097), (1233, 6813), (2271, 3699)]