17253243

素因数分解:

$3^7\times 7^3\times {\mathrm{23}}^1$

素因数の和:65

約数の個数: 64

約数和(自身を含む): 31488000

約数和(自身を除く): 14234757

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 81, 147, 161, 189, 207, 243, 343, 441, 483, 567, 621, 729, 1029, 1127, 1323, 1449, 1701, 1863, 2187, 3087, 3381, 3969, 4347, 5103, 5589, 7889, 9261, 10143, 11907, 13041, 15309, 16767, 23667, 27783, 30429, 35721, 39123, 50301, 71001, 83349, 91287, 107163, 117369, 213003, 250047, 273861, 352107, 639009, 750141, 821583, 1917027, 2464749, 5751081, 17253243]

約数ペア:

[(1, 17253243), (3, 5751081), (7, 2464749), (9, 1917027), (21, 821583), (23, 750141), (27, 639009), (49, 352107), (63, 273861), (69, 250047), (81, 213003), (147, 117369), (161, 107163), (189, 91287), (207, 83349), (243, 71001), (343, 50301), (441, 39123), (483, 35721), (567, 30429), (621, 27783), (729, 23667), (1029, 16767), (1127, 15309), (1323, 13041), (1449, 11907), (1701, 10143), (1863, 9261), (2187, 7889), (3087, 5589), (3381, 5103), (3969, 4347)]