2281689

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{1657}}^1$

素因数の和:1686

約数の個数: 20

約数和(自身を含む): 3611124

約数和(自身を除く): 1329435

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 1657, 4971, 14913, 28169, 44739, 84507, 134217, 253521, 760563, 2281689]

約数ペア:

[(1, 2281689), (3, 760563), (9, 253521), (17, 134217), (27, 84507), (51, 44739), (81, 28169), (153, 14913), (459, 4971), (1377, 1657)]