39721761

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1559}}^1$

素因数の和:1733

約数の個数: 24

約数和(自身を含む): 60840000

約数和(自身を除く): 21118239

約数列:

[1, 3, 9, 19, 57, 149, 171, 447, 1341, 1559, 2831, 4677, 8493, 14031, 25479, 29621, 88863, 232291, 266589, 696873, 2090619, 4413529, 13240587, 39721761]

約数ペア:

[(1, 39721761), (3, 13240587), (9, 4413529), (19, 2090619), (57, 696873), (149, 266589), (171, 232291), (447, 88863), (1341, 29621), (1559, 25479), (2831, 14031), (4677, 8493)]