2931957

素因数分解:

$3^4\times 7^1\times {\mathrm{5171}}^1$

素因数の和:5190

約数の個数: 20

約数和(自身を含む): 5006496

約数和(自身を除く): 2074539

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 5171, 15513, 36197, 46539, 108591, 139617, 325773, 418851, 977319, 2931957]

約数ペア:

[(1, 2931957), (3, 977319), (7, 418851), (9, 325773), (21, 139617), (27, 108591), (63, 46539), (81, 36197), (189, 15513), (567, 5171)]