27779969007

素因数分解:

$3^3\times 7^2\times {\mathrm{20997709}}^1$

素因数の和:20997732

約数の個数: 24

約数和(自身を含む): 47874778800

約数和(自身を除く): 20094809793

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 20997709, 62993127, 146983963, 188979381, 440951889, 566938143, 1028887741, 1322855667, 3086663223, 3968567001, 9259989669, 27779969007]

約数ペア:

[(1, 27779969007), (3, 9259989669), (7, 3968567001), (9, 3086663223), (21, 1322855667), (27, 1028887741), (49, 566938143), (63, 440951889), (147, 188979381), (189, 146983963), (441, 62993127), (1323, 20997709)]