820041411

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{67211}}^1$

素因数の和:67311

約数の個数: 24

約数和(自身を含む): 1287244224

約数和(自身を除く): 467202813

約数列:

[1, 3, 7, 21, 49, 83, 147, 249, 581, 1743, 4067, 12201, 67211, 201633, 470477, 1411431, 3293339, 5578513, 9880017, 16735539, 39049591, 117148773, 273347137, 820041411]

約数ペア:

[(1, 820041411), (3, 273347137), (7, 117148773), (21, 39049591), (49, 16735539), (83, 9880017), (147, 5578513), (249, 3293339), (581, 1411431), (1743, 470477), (4067, 201633), (12201, 67211)]