2947578561

素因数分解:

$3^2\times {\mathrm{71}}^2\times {\mathrm{64969}}^1$

素因数の和:65117

約数の個数: 18

約数和(自身を含む): 4318490930

約数和(自身を除く): 1370912369

約数列:

[1, 3, 9, 71, 213, 639, 5041, 15123, 45369, 64969, 194907, 584721, 4612799, 13838397, 41515191, 327508729, 982526187, 2947578561]

約数ペア:

[(1, 2947578561), (3, 982526187), (9, 327508729), (71, 41515191), (213, 13838397), (639, 4612799), (5041, 584721), (15123, 194907), (45369, 64969)]