206082009

素因数分解:

$3^3\times 7^1\times {\mathrm{1090381}}^1$

素因数の和:1090397

約数の個数: 16

約数和(自身を含む): 348922240

約数和(自身を除く): 142840231

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1090381, 3271143, 7632667, 9813429, 22898001, 29440287, 68694003, 206082009]

約数ペア:

[(1, 206082009), (3, 68694003), (7, 29440287), (9, 22898001), (21, 9813429), (27, 7632667), (63, 3271143), (189, 1090381)]