153937989

素因数分解:

$3^4\times {\mathrm{1103}}^1\times {\mathrm{1723}}^1$

素因数の和:2838

約数の個数: 20

約数和(自身を含む): 230298816

約数和(自身を除く): 76360827

約数列:

[1, 3, 9, 27, 81, 1103, 1723, 3309, 5169, 9927, 15507, 29781, 46521, 89343, 139563, 1900469, 5701407, 17104221, 51312663, 153937989]

約数ペア:

[(1, 153937989), (3, 51312663), (9, 17104221), (27, 5701407), (81, 1900469), (1103, 139563), (1723, 89343), (3309, 46521), (5169, 29781), (9927, 15507)]