81656862

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1944211}}^1$

素因数の和:1944223

約数の個数: 16

約数和(自身を含む): 186644352

約数和(自身を除く): 104987490

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1944211, 3888422, 5832633, 11665266, 13609477, 27218954, 40828431, 81656862]

約数ペア:

[(1, 81656862), (2, 40828431), (3, 27218954), (6, 13609477), (7, 11665266), (14, 5832633), (21, 3888422), (42, 1944211)]