18254889

素因数分解:

$3^7\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 29047680

約数和(自身を除く): 10792791

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 491, 729, 1377, 1473, 2187, 4131, 4419, 8347, 12393, 13257, 25041, 37179, 39771, 75123, 119313, 225369, 357939, 676107, 1073817, 2028321, 6084963, 18254889]

約数ペア:

[(1, 18254889), (3, 6084963), (9, 2028321), (17, 1073817), (27, 676107), (51, 357939), (81, 225369), (153, 119313), (243, 75123), (459, 39771), (491, 37179), (729, 25041), (1377, 13257), (1473, 12393), (2187, 8347), (4131, 4419)]