203973231

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{126143}}^1$

素因数の和:126171

約数の個数: 24

約数和(自身を含む): 345129984

約数和(自身を除く): 141156753

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 126143, 378429, 883001, 1387573, 2649003, 4162719, 6181007, 9713011, 18543021, 29139033, 67991077, 203973231]

約数ペア:

[(1, 203973231), (3, 67991077), (7, 29139033), (11, 18543021), (21, 9713011), (33, 6181007), (49, 4162719), (77, 2649003), (147, 1387573), (231, 883001), (539, 378429), (1617, 126143)]