81990534

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{187193}}^1$

素因数の和:187271

約数の個数: 16

約数和(自身を含む): 166228272

約数和(自身を除く): 84237738

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 187193, 374386, 561579, 1123158, 13665089, 27330178, 40995267, 81990534]

約数ペア:

[(1, 81990534), (2, 40995267), (3, 27330178), (6, 13665089), (73, 1123158), (146, 561579), (219, 374386), (438, 187193)]