30688749

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 57139992

約数和(自身を除く): 26451243

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 53, 63, 91, 101, 117, 147, 159, 273, 303, 371, 441, 477, 637, 689, 707, 819, 909, 1113, 1313, 1911, 2067, 2121, 2597, 3339, 3939, 4823, 4949, 5353, 5733, 6201, 6363, 7791, 9191, 11817, 14469, 14847, 16059, 23373, 27573, 33761, 37471, 43407, 44541, 48177, 64337, 69589, 82719, 101283, 112413, 193011, 208767, 262297, 303849, 337239, 487123, 579033, 626301, 786891, 1461369, 2360673, 3409861, 4384107, 10229583, 30688749]

約数ペア:

[(1, 30688749), (3, 10229583), (7, 4384107), (9, 3409861), (13, 2360673), (21, 1461369), (39, 786891), (49, 626301), (53, 579033), (63, 487123), (91, 337239), (101, 303849), (117, 262297), (147, 208767), (159, 193011), (273, 112413), (303, 101283), (371, 82719), (441, 69589), (477, 64337), (637, 48177), (689, 44541), (707, 43407), (819, 37471), (909, 33761), (1113, 27573), (1313, 23373), (1911, 16059), (2067, 14847), (2121, 14469), (2597, 11817), (3339, 9191), (3939, 7791), (4823, 6363), (4949, 6201), (5353, 5733)]