16188669

素因数分解:

$3^2\times 7^2\times {\mathrm{36709}}^1$

素因数の和:36729

約数の個数: 18

約数和(自身を含む): 27202110

約数和(自身を除く): 11013441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 36709, 110127, 256963, 330381, 770889, 1798741, 2312667, 5396223, 16188669]

約数ペア:

[(1, 16188669), (3, 5396223), (7, 2312667), (9, 1798741), (21, 770889), (49, 330381), (63, 256963), (147, 110127), (441, 36709)]