81686943927

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{857957}}^1$

素因数の和:858183

約数の個数: 24

約数和(自身を含む): 120457303200

約数和(自身を除く): 38770359273

約数列:

[1, 3, 9, 71, 149, 213, 447, 639, 1341, 10579, 31737, 95211, 857957, 2573871, 7721613, 60914947, 127835593, 182744841, 383506779, 548234523, 1150520337, 9076327103, 27228981309, 81686943927]

約数ペア:

[(1, 81686943927), (3, 27228981309), (9, 9076327103), (71, 1150520337), (149, 548234523), (213, 383506779), (447, 182744841), (639, 127835593), (1341, 60914947), (10579, 7721613), (31737, 2573871), (95211, 857957)]