1261892727

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{63703}}^1$

素因数の和:63811

約数の個数: 24

約数和(自身を含む): 1908062208

約数和(自身を除く): 646169481

約数列:

[1, 3, 9, 31, 71, 93, 213, 279, 639, 2201, 6603, 19809, 63703, 191109, 573327, 1974793, 4522913, 5924379, 13568739, 17773137, 40706217, 140210303, 420630909, 1261892727]

約数ペア:

[(1, 1261892727), (3, 420630909), (9, 140210303), (31, 40706217), (71, 17773137), (93, 13568739), (213, 5924379), (279, 4522913), (639, 1974793), (2201, 573327), (6603, 191109), (19809, 63703)]