2080647

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{1511}}^1$

素因数の和:1540

約数の個数: 20

約数和(自身を含む): 3293136

約数和(自身を除く): 1212489

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 1511, 4533, 13599, 25687, 40797, 77061, 122391, 231183, 693549, 2080647]

約数ペア:

[(1, 2080647), (3, 693549), (9, 231183), (17, 122391), (27, 77061), (51, 40797), (81, 25687), (153, 13599), (459, 4533), (1377, 1511)]