2808827

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:471

約数の個数: 16

約数和(自身を含む): 3456000

約数和(自身を除く): 647173

約数列:

[1, 7, 19, 49, 133, 343, 431, 931, 3017, 6517, 8189, 21119, 57323, 147833, 401261, 2808827]

約数ペア:

[(1, 2808827), (7, 401261), (19, 147833), (49, 57323), (133, 21119), (343, 8189), (431, 6517), (931, 3017)]