1920321

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{5471}}^1$

素因数の和:5493

約数の個数: 16

約数和(自身を含む): 3064320

約数和(自身を除く): 1143999

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 5471, 16413, 49239, 71123, 147717, 213369, 640107, 1920321]

約数ペア:

[(1, 1920321), (3, 640107), (9, 213369), (13, 147717), (27, 71123), (39, 49239), (117, 16413), (351, 5471)]