217469889

素因数分解:

$3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{5419}}^1$

素因数の和:5459

約数の個数: 48

約数和(自身を含む): 394576000

約数和(自身を除く): 177106111

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 343, 441, 637, 819, 1029, 1911, 3087, 4459, 5419, 5733, 13377, 16257, 37933, 40131, 48771, 70447, 113799, 211341, 265531, 341397, 493129, 634023, 796593, 1479387, 1858717, 2389779, 3451903, 4438161, 5576151, 10355709, 16728453, 24163321, 31067127, 72489963, 217469889]

約数ペア:

[(1, 217469889), (3, 72489963), (7, 31067127), (9, 24163321), (13, 16728453), (21, 10355709), (39, 5576151), (49, 4438161), (63, 3451903), (91, 2389779), (117, 1858717), (147, 1479387), (273, 796593), (343, 634023), (441, 493129), (637, 341397), (819, 265531), (1029, 211341), (1911, 113799), (3087, 70447), (4459, 48771), (5419, 40131), (5733, 37933), (13377, 16257)]