2728191

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2081}}^1$

素因数の和:2126

約数の個数: 16

約数和(自身を含む): 3997440

約数和(自身を除く): 1269249

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 2081, 6243, 39539, 47863, 118617, 143589, 909397, 2728191]

約数ペア:

[(1, 2728191), (3, 909397), (19, 143589), (23, 118617), (57, 47863), (69, 39539), (437, 6243), (1311, 2081)]