3787749

素因数分解:

$3^3\times 7^3\times {\mathrm{409}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 6560000

約数和(自身を除く): 2772251

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 409, 441, 1029, 1227, 1323, 2863, 3087, 3681, 8589, 9261, 11043, 20041, 25767, 60123, 77301, 140287, 180369, 420861, 541107, 1262583, 3787749]

約数ペア:

[(1, 3787749), (3, 1262583), (7, 541107), (9, 420861), (21, 180369), (27, 140287), (49, 77301), (63, 60123), (147, 25767), (189, 20041), (343, 11043), (409, 9261), (441, 8589), (1029, 3681), (1227, 3087), (1323, 2863)]