81239277

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{227561}}^1$

素因数の和:227588

約数の個数: 16

約数和(自身を含む): 131075712

約数和(自身を除く): 49836435

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 227561, 682683, 1592927, 3868537, 4778781, 11605611, 27079759, 81239277]

約数ペア:

[(1, 81239277), (3, 27079759), (7, 11605611), (17, 4778781), (21, 3868537), (51, 1592927), (119, 682683), (357, 227561)]