938889

素因数分解:

$3^2\times 7^2\times {\mathrm{2129}}^1$

素因数の和:2149

約数の個数: 18

約数和(自身を含む): 1578330

約数和(自身を除く): 639441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 2129, 6387, 14903, 19161, 44709, 104321, 134127, 312963, 938889]

約数ペア:

[(1, 938889), (3, 312963), (7, 134127), (9, 104321), (21, 44709), (49, 19161), (63, 14903), (147, 6387), (441, 2129)]