127721705

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{1399}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 166824000

約数和(自身を除く): 39102295

約数列:

[1, 5, 19, 31, 95, 155, 589, 961, 1399, 2945, 4805, 6995, 18259, 26581, 43369, 91295, 132905, 216845, 824011, 1344439, 4120055, 6722195, 25544341, 127721705]

約数ペア:

[(1, 127721705), (5, 25544341), (19, 6722195), (31, 4120055), (95, 1344439), (155, 824011), (589, 216845), (961, 132905), (1399, 91295), (2945, 43369), (4805, 26581), (6995, 18259)]