2178764727

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{2053}}^1\times {\mathrm{20809}}^1$

素因数の和:22882

約数の個数: 16

約数和(自身を含む): 3077549280

約数和(自身を除く): 898784553

約数列:

[1, 3, 17, 51, 2053, 6159, 20809, 34901, 62427, 104703, 353753, 1061259, 42720877, 128162631, 726254909, 2178764727]

約数ペア:

[(1, 2178764727), (3, 726254909), (17, 128162631), (51, 42720877), (2053, 1061259), (6159, 353753), (20809, 104703), (34901, 62427)]