287597817

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{819367}}^1$

素因数の和:819389

約数の個数: 16

約数和(自身を含む): 458846080

約数和(自身を除く): 171248263

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 819367, 2458101, 7374303, 10651771, 22122909, 31955313, 95865939, 287597817]

約数ペア:

[(1, 287597817), (3, 95865939), (9, 31955313), (13, 22122909), (27, 10651771), (39, 7374303), (117, 2458101), (351, 819367)]