209212221

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{982217}}^1$

素因数の和:982291

約数の個数: 8

約数和(自身を含む): 282878784

約数和(自身を除く): 73666563

約数列:

[1, 3, 71, 213, 982217, 2946651, 69737407, 209212221]

約数ペア:

[(1, 209212221), (3, 69737407), (71, 2946651), (213, 982217)]