217871949

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{60169}}^1$

素因数の和:60260

約数の個数: 16

約数和(自身を含む): 311921280

約数和(自身を除く): 94049331

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 60169, 180507, 1022873, 3068619, 4271999, 12815997, 72623983, 217871949]

約数ペア:

[(1, 217871949), (3, 72623983), (17, 12815997), (51, 4271999), (71, 3068619), (213, 1022873), (1207, 180507), (3621, 60169)]