7047243

素因数分解:

$3^6\times 7^1\times {\mathrm{1381}}^1$

素因数の和:1406

約数の個数: 28

約数和(自身を含む): 12084208

約数和(自身を除く): 5036965

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1381, 1701, 4143, 5103, 9667, 12429, 29001, 37287, 87003, 111861, 261009, 335583, 783027, 1006749, 2349081, 7047243]

約数ペア:

[(1, 7047243), (3, 2349081), (7, 1006749), (9, 783027), (21, 335583), (27, 261009), (63, 111861), (81, 87003), (189, 37287), (243, 29001), (567, 12429), (729, 9667), (1381, 5103), (1701, 4143)]