209217021

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{64633}}^1$

素因数の和:64732

約数の個数: 16

約数和(自身を含む): 304038336

約数和(自身を除く): 94821315

約数列:

[1, 3, 13, 39, 83, 249, 1079, 3237, 64633, 193899, 840229, 2520687, 5364539, 16093617, 69739007, 209217021]

約数ペア:

[(1, 209217021), (3, 69739007), (13, 16093617), (39, 5364539), (83, 2520687), (249, 840229), (1079, 193899), (3237, 64633)]