142911293

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{21929}}^1$

素因数の和:21969

約数の個数: 16

約数和(自身を含む): 175440000

約数和(自身を除く): 32528707

約数列:

[1, 7, 19, 49, 133, 343, 931, 6517, 21929, 153503, 416651, 1074521, 2916557, 7521647, 20415899, 142911293]

約数ペア:

[(1, 142911293), (7, 20415899), (19, 7521647), (49, 2916557), (133, 1074521), (343, 416651), (931, 153503), (6517, 21929)]