289798317

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{188303}}^1$

素因数の和:188334

約数の個数: 20

約数和(自身を含む): 455695680

約数和(自身を除く): 165897363

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 188303, 564909, 1694727, 3577757, 5084181, 10733271, 15252543, 32199813, 96599439, 289798317]

約数ペア:

[(1, 289798317), (3, 96599439), (9, 32199813), (19, 15252543), (27, 10733271), (57, 5084181), (81, 3577757), (171, 1694727), (513, 564909), (1539, 188303)]