397741347

素因数分解:

$3^4\times {\mathrm{293}}^1\times {\mathrm{16759}}^1$

素因数の和:17064

約数の個数: 20

約数和(自身を含む): 596220240

約数和(自身を除く): 198478893

約数列:

[1, 3, 9, 27, 81, 293, 879, 2637, 7911, 16759, 23733, 50277, 150831, 452493, 1357479, 4910387, 14731161, 44193483, 132580449, 397741347]

約数ペア:

[(1, 397741347), (3, 132580449), (9, 44193483), (27, 14731161), (81, 4910387), (293, 1357479), (879, 452493), (2637, 150831), (7911, 50277), (16759, 23733)]