208057143

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{102139}}^1$

素因数の和:102246

約数の個数: 16

約数和(自身を含む): 320311040

約数和(自身を除く): 112253897

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 102139, 306417, 714973, 2144919, 9907483, 29722449, 69352381, 208057143]

約数ペア:

[(1, 208057143), (3, 69352381), (7, 29722449), (21, 9907483), (97, 2144919), (291, 714973), (679, 306417), (2037, 102139)]