1225804563

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{639439}}^1$

素因数の和:639519

約数の個数: 16

約数和(自身を含む): 1841587200

約数和(自身を除く): 615782637

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 639439, 1918317, 5754951, 17264853, 45400169, 136200507, 408601521, 1225804563]

約数ペア:

[(1, 1225804563), (3, 408601521), (9, 136200507), (27, 45400169), (71, 17264853), (213, 5754951), (639, 1918317), (1917, 639439)]