280432191

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{1123}}^1$

素因数の和:1495

約数の個数: 32

約数和(自身を含む): 425501440

約数和(自身を除く): 145069249

約数列:

[1, 3, 13, 19, 39, 57, 247, 337, 741, 1011, 1123, 3369, 4381, 6403, 13143, 14599, 19209, 21337, 43797, 64011, 83239, 249717, 277381, 378451, 832143, 1135353, 4919863, 7190569, 14759589, 21571707, 93477397, 280432191]

約数ペア:

[(1, 280432191), (3, 93477397), (13, 21571707), (19, 14759589), (39, 7190569), (57, 4919863), (247, 1135353), (337, 832143), (741, 378451), (1011, 277381), (1123, 249717), (3369, 83239), (4381, 64011), (6403, 43797), (13143, 21337), (14599, 19209)]