2555787

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{71}}^2$

素因数の和:171

約数の個数: 18

約数和(自身を含む): 3742716

約数和(自身を除く): 1186929

約数列:

[1, 3, 13, 39, 71, 169, 213, 507, 923, 2769, 5041, 11999, 15123, 35997, 65533, 196599, 851929, 2555787]

約数ペア:

[(1, 2555787), (3, 851929), (13, 196599), (39, 65533), (71, 35997), (169, 15123), (213, 11999), (507, 5041), (923, 2769)]