161796285

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:325

約数の個数: 120

約数和(自身を含む): 349595136

約数和(自身を除く): 187798851

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 31, 35, 45, 49, 63, 81, 93, 105, 135, 147, 155, 189, 217, 245, 263, 279, 315, 405, 441, 465, 567, 651, 735, 789, 837, 945, 1085, 1315, 1323, 1395, 1519, 1841, 1953, 2205, 2367, 2511, 2835, 3255, 3945, 3969, 4185, 4557, 5523, 5859, 6615, 7101, 7595, 8153, 9205, 9765, 11835, 12555, 12887, 13671, 16569, 17577, 19845, 21303, 22785, 24459, 27615, 29295, 35505, 38661, 40765, 41013, 49707, 57071, 64435, 68355, 73377, 82845, 87885, 106515, 115983, 122295, 123039, 149121, 171213, 193305, 205065, 220131, 248535, 285355, 347949, 366885, 399497, 513639, 579915, 615195, 660393, 745605, 856065, 1043847, 1100655, 1198491, 1540917, 1739745, 1997485, 2568195, 3301965, 3595473, 4622751, 5219235, 5992455, 7704585, 10786419, 17977365, 23113755, 32359257, 53932095, 161796285]

約数ペア:

[(1, 161796285), (3, 53932095), (5, 32359257), (7, 23113755), (9, 17977365), (15, 10786419), (21, 7704585), (27, 5992455), (31, 5219235), (35, 4622751), (45, 3595473), (49, 3301965), (63, 2568195), (81, 1997485), (93, 1739745), (105, 1540917), (135, 1198491), (147, 1100655), (155, 1043847), (189, 856065), (217, 745605), (245, 660393), (263, 615195), (279, 579915), (315, 513639), (405, 399497), (441, 366885), (465, 347949), (567, 285355), (651, 248535), (735, 220131), (789, 205065), (837, 193305), (945, 171213), (1085, 149121), (1315, 123039), (1323, 122295), (1395, 115983), (1519, 106515), (1841, 87885), (1953, 82845), (2205, 73377), (2367, 68355), (2511, 64435), (2835, 57071), (3255, 49707), (3945, 41013), (3969, 40765), (4185, 38661), (4557, 35505), (5523, 29295), (5859, 27615), (6615, 24459), (7101, 22785), (7595, 21303), (8153, 19845), (9205, 17577), (9765, 16569), (11835, 13671), (12555, 12887)]