2005317

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1303}}^1$

素因数の和:1334

約数の個数: 20

約数和(自身を含む): 3155680

約数和(自身を除く): 1150363

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1303, 1539, 3909, 11727, 24757, 35181, 74271, 105543, 222813, 668439, 2005317]

約数ペア:

[(1, 2005317), (3, 668439), (9, 222813), (19, 105543), (27, 74271), (57, 35181), (81, 24757), (171, 11727), (513, 3909), (1303, 1539)]