12180825

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1259}}^1$

素因数の和:1318

約数の個数: 36

約数和(自身を含む): 22342320

約数和(自身を除く): 10161495

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1259, 1935, 3225, 3777, 6295, 9675, 11331, 18885, 31475, 54137, 56655, 94425, 162411, 270685, 283275, 487233, 812055, 1353425, 2436165, 4060275, 12180825]

約数ペア:

[(1, 12180825), (3, 4060275), (5, 2436165), (9, 1353425), (15, 812055), (25, 487233), (43, 283275), (45, 270685), (75, 162411), (129, 94425), (215, 56655), (225, 54137), (387, 31475), (645, 18885), (1075, 11331), (1259, 9675), (1935, 6295), (3225, 3777)]