213519081

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1\times {\mathrm{1559}}^1$

素因数の和:2276

約数の個数: 16

約数和(自身を含む): 289336320

約数和(自身を除く): 75817239

約数列:

[1, 3, 71, 213, 643, 1559, 1929, 4677, 45653, 110689, 136959, 332067, 1002437, 3007311, 71173027, 213519081]

約数ペア:

[(1, 213519081), (3, 71173027), (71, 3007311), (213, 1002437), (643, 332067), (1559, 136959), (1929, 110689), (4677, 45653)]