867939489

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{204751}}^1$

素因数の和:204917

約数の個数: 16

約数和(自身を含む): 1294032640

約数和(自身を除く): 426093151

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 204751, 614253, 1842759, 5528277, 32145907, 96437721, 289313163, 867939489]

約数ペア:

[(1, 867939489), (3, 289313163), (9, 96437721), (27, 32145907), (157, 5528277), (471, 1842759), (1413, 614253), (4239, 204751)]