80990481

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2659}}^1$

素因数の和:2757

約数の個数: 32

約数和(自身を含む): 128701440

約数和(自身を除く): 47710959

約数列:

[1, 3, 11, 13, 33, 39, 71, 143, 213, 429, 781, 923, 2343, 2659, 2769, 7977, 10153, 29249, 30459, 34567, 87747, 103701, 188789, 380237, 566367, 1140711, 2076679, 2454257, 6230037, 7362771, 26996827, 80990481]

約数ペア:

[(1, 80990481), (3, 26996827), (11, 7362771), (13, 6230037), (33, 2454257), (39, 2076679), (71, 1140711), (143, 566367), (213, 380237), (429, 188789), (781, 103701), (923, 87747), (2343, 34567), (2659, 30459), (2769, 29249), (7977, 10153)]