1820814981

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{69151}}^1$

素因数の和:69352

約数の個数: 16

約数和(自身を含む): 2482833408

約数和(自身を除く): 662018427

約数列:

[1, 3, 67, 131, 201, 393, 8777, 26331, 69151, 207453, 4633117, 9058781, 13899351, 27176343, 606938327, 1820814981]

約数ペア:

[(1, 1820814981), (3, 606938327), (67, 27176343), (131, 13899351), (201, 9058781), (393, 4633117), (8777, 207453), (26331, 69151)]