2017520217

素因数分解:

$3^4\times {\mathrm{919}}^1\times {\mathrm{27103}}^1$

素因数の和:28034

約数の個数: 20

約数和(自身を含む): 3017217280

約数和(自身を除く): 999697063

約数列:

[1, 3, 9, 27, 81, 919, 2757, 8271, 24813, 27103, 74439, 81309, 243927, 731781, 2195343, 24907657, 74722971, 224168913, 672506739, 2017520217]

約数ペア:

[(1, 2017520217), (3, 672506739), (9, 224168913), (27, 74722971), (81, 24907657), (919, 2195343), (2757, 731781), (8271, 243927), (24813, 81309), (27103, 74439)]