2051216379

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{1489627}}^1$

素因数の和:1489656

約数の個数: 20

約数和(自身を含む): 3244409784

約数和(自身を除く): 1193193405

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 1489627, 4468881, 13406643, 25323659, 40219929, 75970977, 120659787, 227912931, 683738793, 2051216379]

約数ペア:

[(1, 2051216379), (3, 683738793), (9, 227912931), (17, 120659787), (27, 75970977), (51, 40219929), (81, 25323659), (153, 13406643), (459, 4468881), (1377, 1489627)]