1231353

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 24

約数和(自身を含む): 1886976

約数和(自身を除く): 655623

約数列:

[1, 3, 9, 41, 47, 71, 123, 141, 213, 369, 423, 639, 1927, 2911, 3337, 5781, 8733, 10011, 17343, 26199, 30033, 136817, 410451, 1231353]

約数ペア:

[(1, 1231353), (3, 410451), (9, 136817), (41, 30033), (47, 26199), (71, 17343), (123, 10011), (141, 8733), (213, 5781), (369, 3337), (423, 2911), (639, 1927)]