81027807

素因数分解:

$3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{11657}}^1$

素因数の和:11998

約数の個数: 16

約数和(自身を含む): 123854592

約数和(自身を除く): 42826785

約数列:

[1, 3, 7, 21, 331, 993, 2317, 6951, 11657, 34971, 81599, 244797, 3858467, 11575401, 27009269, 81027807]

約数ペア:

[(1, 81027807), (3, 27009269), (7, 11575401), (21, 3858467), (331, 244797), (993, 81599), (2317, 34971), (6951, 11657)]