81727212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{972943}}^1$

素因数の和:972957

約数の個数: 24

約数和(自身を含む): 217939456

約数和(自身を除く): 136212244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 972943, 1945886, 2918829, 3891772, 5837658, 6810601, 11675316, 13621202, 20431803, 27242404, 40863606, 81727212]

約数ペア:

[(1, 81727212), (2, 40863606), (3, 27242404), (4, 20431803), (6, 13621202), (7, 11675316), (12, 6810601), (14, 5837658), (21, 3891772), (28, 2918829), (42, 1945886), (84, 972943)]