128385243

素因数分解:

$3^4\times 7^3\times {\mathrm{4621}}^1$

素因数の和:4654

約数の個数: 40

約数和(自身を含む): 223704800

約数和(自身を除く): 95319557

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 343, 441, 567, 1029, 1323, 3087, 3969, 4621, 9261, 13863, 27783, 32347, 41589, 97041, 124767, 226429, 291123, 374301, 679287, 873369, 1585003, 2037861, 2620107, 4755009, 6113583, 14265027, 18340749, 42795081, 128385243]

約数ペア:

[(1, 128385243), (3, 42795081), (7, 18340749), (9, 14265027), (21, 6113583), (27, 4755009), (49, 2620107), (63, 2037861), (81, 1585003), (147, 873369), (189, 679287), (343, 374301), (441, 291123), (567, 226429), (1029, 124767), (1323, 97041), (3087, 41589), (3969, 32347), (4621, 27783), (9261, 13863)]