309427785

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{159911}}^1$

素因数の和:159965

約数の個数: 24

約数和(自身を含む): 548817984

約数和(自身を除く): 239390199

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 159911, 479733, 799555, 1439199, 2398665, 6876173, 7195995, 20628519, 34380865, 61885557, 103142595, 309427785]

約数ペア:

[(1, 309427785), (3, 103142595), (5, 61885557), (9, 34380865), (15, 20628519), (43, 7195995), (45, 6876173), (129, 2398665), (215, 1439199), (387, 799555), (645, 479733), (1935, 159911)]