205642017

素因数分解:

$3^3\times 7^1\times {\mathrm{1088053}}^1$

素因数の和:1088069

約数の個数: 16

約数和(自身を含む): 348177280

約数和(自身を除く): 142535263

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1088053, 3264159, 7616371, 9792477, 22849113, 29377431, 68547339, 205642017]

約数ペア:

[(1, 205642017), (3, 68547339), (7, 29377431), (9, 22849113), (21, 9792477), (27, 7616371), (63, 3264159), (189, 1088053)]