11967669

素因数分解:

$3^4\times 7^1\times {\mathrm{21107}}^1$

素因数の和:21126

約数の個数: 20

約数和(自身を含む): 20432544

約数和(自身を除く): 8464875

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 21107, 63321, 147749, 189963, 443247, 569889, 1329741, 1709667, 3989223, 11967669]

約数ペア:

[(1, 11967669), (3, 3989223), (7, 1709667), (9, 1329741), (21, 569889), (27, 443247), (63, 189963), (81, 147749), (189, 63321), (567, 21107)]