1391621

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:113

約数の個数: 24

約数和(自身を含む): 1838592

約数和(自身を除く): 446971

約数列:

[1, 7, 11, 31, 53, 77, 121, 217, 341, 371, 583, 847, 1643, 2387, 3751, 4081, 6413, 11501, 18073, 26257, 44891, 126511, 198803, 1391621]

約数ペア:

[(1, 1391621), (7, 198803), (11, 126511), (31, 44891), (53, 26257), (77, 18073), (121, 11501), (217, 6413), (341, 4081), (371, 3751), (583, 2387), (847, 1643)]