306261

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:230

約数の個数: 20

約数和(自身を含む): 484000

約数和(自身を除く): 177739

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 199, 513, 597, 1539, 1791, 3781, 5373, 11343, 16119, 34029, 102087, 306261]

約数ペア:

[(1, 306261), (3, 102087), (9, 34029), (19, 16119), (27, 11343), (57, 5373), (81, 3781), (171, 1791), (199, 1539), (513, 597)]