28246887

素因数分解:

$3^4\times {\mathrm{241}}^1\times {\mathrm{1447}}^1$

素因数の和:1700

約数の個数: 20

約数和(自身を含む): 42400336

約数和(自身を除く): 14153449

約数列:

[1, 3, 9, 27, 81, 241, 723, 1447, 2169, 4341, 6507, 13023, 19521, 39069, 117207, 348727, 1046181, 3138543, 9415629, 28246887]

約数ペア:

[(1, 28246887), (3, 9415629), (9, 3138543), (27, 1046181), (81, 348727), (241, 117207), (723, 39069), (1447, 19521), (2169, 13023), (4341, 6507)]