664306029

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{221657}}^1$

素因数の和:221706

約数の個数: 20

約数和(自身を含む): 1019183484

約数和(自身を除く): 354877455

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 221657, 664971, 1994913, 5984739, 8201309, 17954217, 24603927, 73811781, 221435343, 664306029]

約数ペア:

[(1, 664306029), (3, 221435343), (9, 73811781), (27, 24603927), (37, 17954217), (81, 8201309), (111, 5984739), (333, 1994913), (999, 664971), (2997, 221657)]