2090961

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{1801}}^1$

素因数の和:1853

約数の個数: 16

約数和(自身を含む): 3171520

約数和(自身を除く): 1080559

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 1801, 5403, 16209, 48627, 77443, 232329, 696987, 2090961]

約数ペア:

[(1, 2090961), (3, 696987), (9, 232329), (27, 77443), (43, 48627), (129, 16209), (387, 5403), (1161, 1801)]