26986887

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 39929760

約数和(自身を除く): 12942873

約数列:

[1, 3, 9, 71, 157, 213, 269, 471, 639, 807, 1413, 2421, 11147, 19099, 33441, 42233, 57297, 100323, 126699, 171891, 380097, 2998543, 8995629, 26986887]

約数ペア:

[(1, 26986887), (3, 8995629), (9, 2998543), (71, 380097), (157, 171891), (213, 126699), (269, 100323), (471, 57297), (639, 42233), (807, 33441), (1413, 19099), (2421, 11147)]