206512821

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{49991}}^1$

素因数の和:50023

約数の個数: 24

約数和(自身を含む): 327547584

約数和(自身を除く): 121034763

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 49991, 149973, 449919, 849847, 1349757, 2549541, 4049271, 7648623, 12147813, 22945869, 68837607, 206512821]

約数ペア:

[(1, 206512821), (3, 68837607), (9, 22945869), (17, 12147813), (27, 7648623), (51, 4049271), (81, 2549541), (153, 1349757), (243, 849847), (459, 449919), (1377, 149973), (4131, 49991)]