213717819

素因数分解:

$3^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{22973}}^1$

素因数の和:23426

約数の個数: 16

約数和(自身を含む): 326414592

約数和(自身を除く): 112696773

約数列:

[1, 3, 7, 21, 443, 1329, 3101, 9303, 22973, 68919, 160811, 482433, 10177039, 30531117, 71239273, 213717819]

約数ペア:

[(1, 213717819), (3, 71239273), (7, 30531117), (21, 10177039), (443, 482433), (1329, 160811), (3101, 68919), (9303, 22973)]