28481301

素因数分解:

$3^9\times {\mathrm{1447}}^1$

素因数の和:1474

約数の個数: 20

約数和(自身を含む): 42750752

約数和(自身を除く): 14269451

約数列:

[1, 3, 9, 27, 81, 243, 729, 1447, 2187, 4341, 6561, 13023, 19683, 39069, 117207, 351621, 1054863, 3164589, 9493767, 28481301]

約数ペア:

[(1, 28481301), (3, 9493767), (9, 3164589), (27, 1054863), (81, 351621), (243, 117207), (729, 39069), (1447, 19683), (2187, 13023), (4341, 6561)]