621699

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{839}}^1$

素因数の和:874

約数の個数: 16

約数和(自身を含む): 940800

約数和(自身を除く): 319101

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 839, 2517, 10907, 15941, 32721, 47823, 207233, 621699]

約数ペア:

[(1, 621699), (3, 207233), (13, 47823), (19, 32721), (39, 15941), (57, 10907), (247, 2517), (741, 839)]