201570391

素因数分解:

${\mathrm{11}}^2\times {\mathrm{41}}^2\times {\mathrm{991}}^1$

素因数の和:1095

約数の個数: 18

約数和(自身を含む): 227325728

約数和(自身を除く): 25755337

約数列:

[1, 11, 41, 121, 451, 991, 1681, 4961, 10901, 18491, 40631, 119911, 203401, 446941, 1665871, 4916351, 18324581, 201570391]

約数ペア:

[(1, 201570391), (11, 18324581), (41, 4916351), (121, 1665871), (451, 446941), (991, 203401), (1681, 119911), (4961, 40631), (10901, 18491)]