208519641

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{4691}}^1$

素因数の和:5157

約数の個数: 24

約数和(自身を含む): 329378400

約数和(自身を除く): 120858759

約数列:

[1, 3, 9, 11, 33, 99, 449, 1347, 4041, 4691, 4939, 14073, 14817, 42219, 44451, 51601, 154803, 464409, 2106259, 6318777, 18956331, 23168849, 69506547, 208519641]

約数ペア:

[(1, 208519641), (3, 69506547), (9, 23168849), (11, 18956331), (33, 6318777), (99, 2106259), (449, 464409), (1347, 154803), (4041, 51601), (4691, 44451), (4939, 42219), (14073, 14817)]