28968003

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 44651520

約数和(自身を除く): 15683517

約数列:

[1, 3, 9, 27, 37, 107, 111, 271, 321, 333, 813, 963, 999, 2439, 2889, 3959, 7317, 10027, 11877, 28997, 30081, 35631, 86991, 90243, 106893, 260973, 270729, 782919, 1072889, 3218667, 9656001, 28968003]

約数ペア:

[(1, 28968003), (3, 9656001), (9, 3218667), (27, 1072889), (37, 782919), (107, 270729), (111, 260973), (271, 106893), (321, 90243), (333, 86991), (813, 35631), (963, 30081), (999, 28997), (2439, 11877), (2889, 10027), (3959, 7317)]