210958821

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{330139}}^1$

素因数の和:330216

約数の個数: 12

約数和(自身を含む): 309011040

約数和(自身を除く): 98052219

約数列:

[1, 3, 9, 71, 213, 639, 330139, 990417, 2971251, 23439869, 70319607, 210958821]

約数ペア:

[(1, 210958821), (3, 70319607), (9, 23439869), (71, 2971251), (213, 990417), (639, 330139)]