201897091

素因数分解:

${\mathrm{11}}^2\times {\mathrm{71}}^2\times {\mathrm{331}}^1$

素因数の和:495

約数の個数: 18

約数和(自身を含む): 225769628

約数和(自身を除く): 23872537

約数列:

[1, 11, 71, 121, 331, 781, 3641, 5041, 8591, 23501, 40051, 55451, 258511, 609961, 1668571, 2843621, 18354281, 201897091]

約数ペア:

[(1, 201897091), (11, 18354281), (71, 2843621), (121, 1668571), (331, 609961), (781, 258511), (3641, 55451), (5041, 40051), (8591, 23501)]