16686537

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1087}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 27574272

約数和(自身を除く): 10887735

約数列:

[1, 3, 7, 17, 21, 43, 51, 119, 129, 301, 357, 731, 903, 1087, 2193, 3261, 5117, 7609, 15351, 18479, 22827, 46741, 55437, 129353, 140223, 327187, 388059, 794597, 981561, 2383791, 5562179, 16686537]

約数ペア:

[(1, 16686537), (3, 5562179), (7, 2383791), (17, 981561), (21, 794597), (43, 388059), (51, 327187), (119, 140223), (129, 129353), (301, 55437), (357, 46741), (731, 22827), (903, 18479), (1087, 15351), (2193, 7609), (3261, 5117)]