28739361

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{7561}}^1$

素因数の和:7752

約数の個数: 16

約数和(自身を含む): 44041088

約数和(自身を除く): 15301727

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 7561, 22683, 52927, 158781, 1368541, 4105623, 9579787, 28739361]

約数ペア:

[(1, 28739361), (3, 9579787), (7, 4105623), (21, 1368541), (181, 158781), (543, 52927), (1267, 22683), (3801, 7561)]