28095669

素因数分解:

$3^2\times 7^2\times {\mathrm{63709}}^1$

素因数の和:63729

約数の個数: 18

約数和(自身を含む): 47209110

約数和(自身を除く): 19113441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 63709, 191127, 445963, 573381, 1337889, 3121741, 4013667, 9365223, 28095669]

約数ペア:

[(1, 28095669), (3, 9365223), (7, 4013667), (9, 3121741), (21, 1337889), (49, 573381), (63, 445963), (147, 191127), (441, 63709)]