208023795

素因数分解:

$3^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:324

約数の個数: 112

約数和(自身を含む): 443215872

約数和(自身を除く): 235192077

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 31, 35, 45, 63, 81, 93, 105, 135, 155, 189, 217, 243, 263, 279, 315, 405, 465, 567, 651, 729, 789, 837, 945, 1085, 1215, 1315, 1395, 1701, 1841, 1953, 2367, 2511, 2835, 3255, 3645, 3945, 4185, 5103, 5523, 5859, 7101, 7533, 8153, 8505, 9205, 9765, 11835, 12555, 16569, 17577, 21303, 22599, 24459, 25515, 27615, 29295, 35505, 37665, 40765, 49707, 52731, 57071, 63909, 73377, 82845, 87885, 106515, 112995, 122295, 149121, 158193, 171213, 191727, 220131, 248535, 263655, 285355, 319545, 366885, 447363, 513639, 660393, 745605, 790965, 856065, 958635, 1100655, 1342089, 1540917, 1981179, 2236815, 2568195, 3301965, 4622751, 5943537, 6710445, 7704585, 9905895, 13868253, 23113755, 29717685, 41604759, 69341265, 208023795]

約数ペア:

[(1, 208023795), (3, 69341265), (5, 41604759), (7, 29717685), (9, 23113755), (15, 13868253), (21, 9905895), (27, 7704585), (31, 6710445), (35, 5943537), (45, 4622751), (63, 3301965), (81, 2568195), (93, 2236815), (105, 1981179), (135, 1540917), (155, 1342089), (189, 1100655), (217, 958635), (243, 856065), (263, 790965), (279, 745605), (315, 660393), (405, 513639), (465, 447363), (567, 366885), (651, 319545), (729, 285355), (789, 263655), (837, 248535), (945, 220131), (1085, 191727), (1215, 171213), (1315, 158193), (1395, 149121), (1701, 122295), (1841, 112995), (1953, 106515), (2367, 87885), (2511, 82845), (2835, 73377), (3255, 63909), (3645, 57071), (3945, 52731), (4185, 49707), (5103, 40765), (5523, 37665), (5859, 35505), (7101, 29295), (7533, 27615), (8153, 25515), (8505, 24459), (9205, 22599), (9765, 21303), (11835, 17577), (12555, 16569)]