81328254

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1936387}}^1$

素因数の和:1936399

約数の個数: 16

約数和(自身を含む): 185893248

約数和(自身を除く): 104564994

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1936387, 3872774, 5809161, 11618322, 13554709, 27109418, 40664127, 81328254]

約数ペア:

[(1, 81328254), (2, 40664127), (3, 27109418), (6, 13554709), (7, 11618322), (14, 5809161), (21, 3872774), (42, 1936387)]