66688809

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{28463}}^1$

素因数の和:28548

約数の個数: 16

約数和(自身を含む): 98371584

約数和(自身を除く): 31682775

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 28463, 85389, 313093, 939279, 2020873, 6062619, 22229603, 66688809]

約数ペア:

[(1, 66688809), (3, 22229603), (11, 6062619), (33, 2020873), (71, 939279), (213, 313093), (781, 85389), (2343, 28463)]