205945275

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3361}}^1$

素因数の和:3436

約数の個数: 48

約数和(自身を含む): 366861440

約数和(自身を除く): 160916165

約数列:

[1, 3, 5, 15, 19, 25, 43, 57, 75, 95, 129, 215, 285, 475, 645, 817, 1075, 1425, 2451, 3225, 3361, 4085, 10083, 12255, 16805, 20425, 50415, 61275, 63859, 84025, 144523, 191577, 252075, 319295, 433569, 722615, 957885, 1596475, 2167845, 2745937, 3613075, 4789425, 8237811, 10839225, 13729685, 41189055, 68648425, 205945275]

約数ペア:

[(1, 205945275), (3, 68648425), (5, 41189055), (15, 13729685), (19, 10839225), (25, 8237811), (43, 4789425), (57, 3613075), (75, 2745937), (95, 2167845), (129, 1596475), (215, 957885), (285, 722615), (475, 433569), (645, 319295), (817, 252075), (1075, 191577), (1425, 144523), (2451, 84025), (3225, 63859), (3361, 61275), (4085, 50415), (10083, 20425), (12255, 16805)]