8939889

素因数分解:

$3^4\times 7^1\times {\mathrm{15767}}^1$

素因数の和:15786

約数の個数: 20

約数和(自身を含む): 15263424

約数和(自身を除く): 6323535

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 15767, 47301, 110369, 141903, 331107, 425709, 993321, 1277127, 2979963, 8939889]

約数ペア:

[(1, 8939889), (3, 2979963), (7, 1277127), (9, 993321), (21, 425709), (27, 331107), (63, 141903), (81, 110369), (189, 47301), (567, 15767)]