16809107

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{1187}}^1$

素因数の和:1235

約数の個数: 18

約数和(自身を含む): 20788812

約数和(自身を除く): 3979705

約数列:

[1, 7, 17, 49, 119, 289, 833, 1187, 2023, 8309, 14161, 20179, 58163, 141253, 343043, 988771, 2401301, 16809107]

約数ペア:

[(1, 16809107), (7, 2401301), (17, 988771), (49, 343043), (119, 141253), (289, 58163), (833, 20179), (1187, 14161), (2023, 8309)]