66651321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{28447}}^1$

素因数の和:28532

約数の個数: 16

約数和(自身を含む): 98316288

約数和(自身を除く): 31664967

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 28447, 85341, 312917, 938751, 2019737, 6059211, 22217107, 66651321]

約数ペア:

[(1, 66651321), (3, 22217107), (11, 6059211), (33, 2019737), (71, 938751), (213, 312917), (781, 85341), (2343, 28447)]