126979167

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{28657}}^1$

素因数の和:28878

約数の個数: 16

約数和(自身を含む): 194415872

約数和(自身を除く): 67436705

約数列:

[1, 3, 7, 21, 211, 633, 1477, 4431, 28657, 85971, 200599, 601797, 6046627, 18139881, 42326389, 126979167]

約数ペア:

[(1, 126979167), (3, 42326389), (7, 18139881), (21, 6046627), (211, 601797), (633, 200599), (1477, 85971), (4431, 28657)]