8687007

素因数分解:

$3^5\times 7^1\times {\mathrm{5107}}^1$

素因数の和:5129

約数の個数: 24

約数和(自身を含む): 14874496

約数和(自身を除く): 6187489

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 5107, 15321, 35749, 45963, 107247, 137889, 321741, 413667, 965223, 1241001, 2895669, 8687007]

約数ペア:

[(1, 8687007), (3, 2895669), (7, 1241001), (9, 965223), (21, 413667), (27, 321741), (63, 137889), (81, 107247), (189, 45963), (243, 35749), (567, 15321), (1701, 5107)]