7997223

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{73}}^1$

素因数の和:195

約数の個数: 24

約数和(自身を含む): 11864272

約数和(自身を除く): 3867049

約数列:

[1, 3, 13, 39, 53, 73, 159, 219, 689, 949, 2067, 2809, 2847, 3869, 8427, 11607, 36517, 50297, 109551, 150891, 205057, 615171, 2665741, 7997223]

約数ペア:

[(1, 7997223), (3, 2665741), (13, 615171), (39, 205057), (53, 150891), (73, 109551), (159, 50297), (219, 36517), (689, 11607), (949, 8427), (2067, 3869), (2809, 2847)]