30709917

素因数分解:

$3^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{839}}^1$

素因数の和:942

約数の個数: 36

約数和(自身を含む): 52284960

約数和(自身を除く): 21575043

約数列:

[1, 3, 7, 9, 21, 49, 63, 83, 147, 249, 441, 581, 747, 839, 1743, 2517, 4067, 5229, 5873, 7551, 12201, 17619, 36603, 41111, 52857, 69637, 123333, 208911, 369999, 487459, 626733, 1462377, 3412213, 4387131, 10236639, 30709917]

約数ペア:

[(1, 30709917), (3, 10236639), (7, 4387131), (9, 3412213), (21, 1462377), (49, 626733), (63, 487459), (83, 369999), (147, 208911), (249, 123333), (441, 69637), (581, 52857), (747, 41111), (839, 36603), (1743, 17619), (2517, 12201), (4067, 7551), (5229, 5873)]