139487571

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{15671}}^1$

素因数の和:15743

約数の個数: 24

約数和(自身を含む): 215145216

約数和(自身を除く): 75657645

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 2967, 8901, 15671, 47013, 141039, 360433, 673853, 1081299, 2021559, 3243897, 6064677, 15498619, 46495857, 139487571]

約数ペア:

[(1, 139487571), (3, 46495857), (9, 15498619), (23, 6064677), (43, 3243897), (69, 2021559), (129, 1081299), (207, 673853), (387, 360433), (989, 141039), (2967, 47013), (8901, 15671)]