207989181

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{405437}}^1$

素因数の和:405465

約数の個数: 16

約数和(自身を含む): 324350400

約数和(自身を除く): 116361219

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 405437, 1216311, 3648933, 7703303, 10946799, 23109909, 69329727, 207989181]

約数ペア:

[(1, 207989181), (3, 69329727), (9, 23109909), (19, 10946799), (27, 7703303), (57, 3648933), (171, 1216311), (513, 405437)]