855112221

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{98663}}^1$

素因数の和:98782

約数の個数: 20

約数和(自身を含む): 1289341152

約数和(自身を除く): 434228931

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2889, 8667, 98663, 295989, 887967, 2663901, 7991703, 10556941, 31670823, 95012469, 285037407, 855112221]

約数ペア:

[(1, 855112221), (3, 285037407), (9, 95012469), (27, 31670823), (81, 10556941), (107, 7991703), (321, 2663901), (963, 887967), (2889, 295989), (8667, 98663)]