28558408545

素因数分解:

$3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1\times {\mathrm{2137}}^1$

素因数の和:2821

約数の個数: 96

約数和(自身を含む): 54463788288

約数和(自身を除く): 25905379743

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 405, 459, 647, 765, 1215, 1377, 1941, 2137, 2295, 3235, 4131, 5823, 6411, 6885, 9705, 10685, 10999, 17469, 19233, 20655, 29115, 32055, 32997, 36329, 52407, 54995, 57699, 87345, 96165, 98991, 108987, 157221, 164985, 173097, 181645, 262035, 288495, 296973, 326961, 494955, 519291, 544935, 786105, 865485, 890919, 980883, 1382639, 1484865, 1634805, 2596455, 2672757, 2942649, 4147917, 4454595, 4904415, 6913195, 8827947, 12443751, 13363785, 14713245, 20739585, 23504863, 37331253, 44139735, 62218755, 70514589, 111993759, 117524315, 186656265, 211543767, 335981277, 352572945, 559968795, 634631301, 1057718835, 1679906385, 1903893903, 3173156505, 5711681709, 9519469515, 28558408545]

約数ペア:

[(1, 28558408545), (3, 9519469515), (5, 5711681709), (9, 3173156505), (15, 1903893903), (17, 1679906385), (27, 1057718835), (45, 634631301), (51, 559968795), (81, 352572945), (85, 335981277), (135, 211543767), (153, 186656265), (243, 117524315), (255, 111993759), (405, 70514589), (459, 62218755), (647, 44139735), (765, 37331253), (1215, 23504863), (1377, 20739585), (1941, 14713245), (2137, 13363785), (2295, 12443751), (3235, 8827947), (4131, 6913195), (5823, 4904415), (6411, 4454595), (6885, 4147917), (9705, 2942649), (10685, 2672757), (10999, 2596455), (17469, 1634805), (19233, 1484865), (20655, 1382639), (29115, 980883), (32055, 890919), (32997, 865485), (36329, 786105), (52407, 544935), (54995, 519291), (57699, 494955), (87345, 326961), (96165, 296973), (98991, 288495), (108987, 262035), (157221, 181645), (164985, 173097)]