15565520919

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2221}}^1\times {\mathrm{2531}}^1$

素因数の和:4839

約数の個数: 32

約数和(自身を含む): 22684451328

約数和(自身を除く): 7118930409

約数列:

[1, 3, 13, 39, 71, 213, 923, 2221, 2531, 2769, 6663, 7593, 28873, 32903, 86619, 98709, 157691, 179701, 473073, 539103, 2049983, 2336113, 5621351, 6149949, 7008339, 16864053, 73077563, 219232689, 399115921, 1197347763, 5188506973, 15565520919]

約数ペア:

[(1, 15565520919), (3, 5188506973), (13, 1197347763), (39, 399115921), (71, 219232689), (213, 73077563), (923, 16864053), (2221, 7008339), (2531, 6149949), (2769, 5621351), (6663, 2336113), (7593, 2049983), (28873, 539103), (32903, 473073), (86619, 179701), (98709, 157691)]