13389691

素因数分解:

$7^3\times {\mathrm{103}}^1\times {\mathrm{379}}^1$

素因数の和:503

約数の個数: 16

約数和(自身を含む): 15808000

約数和(自身を除く): 2418309

約数列:

[1, 7, 49, 103, 343, 379, 721, 2653, 5047, 18571, 35329, 39037, 129997, 273259, 1912813, 13389691]

約数ペア:

[(1, 13389691), (7, 1912813), (49, 273259), (103, 129997), (343, 39037), (379, 35329), (721, 18571), (2653, 5047)]