2871657

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{137}}^2$

素因数の和:297

約数の個数: 18

約数和(自身を含む): 4424238

約数和(自身を除く): 1552581

約数列:

[1, 3, 9, 17, 51, 137, 153, 411, 1233, 2329, 6987, 18769, 20961, 56307, 168921, 319073, 957219, 2871657]

約数ペア:

[(1, 2871657), (3, 957219), (9, 319073), (17, 168921), (51, 56307), (137, 20961), (153, 18769), (411, 6987), (1233, 2329)]