165720555

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{283}}^1$

素因数の和:338

約数の個数: 144

約数和(自身を含む): 389166336

約数和(自身を除く): 223445781

約数列:

[1, 3, 5, 7, 9, 11, 13, 15, 21, 33, 35, 39, 45, 55, 63, 65, 77, 91, 99, 105, 117, 143, 165, 169, 195, 231, 273, 283, 315, 385, 429, 455, 495, 507, 585, 693, 715, 819, 845, 849, 1001, 1155, 1183, 1287, 1365, 1415, 1521, 1859, 1981, 2145, 2535, 2547, 3003, 3113, 3465, 3549, 3679, 4095, 4245, 5005, 5577, 5915, 5943, 6435, 7605, 9009, 9295, 9339, 9905, 10647, 11037, 12735, 13013, 15015, 15565, 16731, 17745, 17829, 18395, 21791, 25753, 27885, 28017, 29715, 33111, 39039, 40469, 45045, 46695, 47827, 53235, 55185, 65065, 65373, 77259, 83655, 89145, 108955, 117117, 121407, 128765, 140085, 143481, 165555, 195195, 196119, 202345, 231777, 239135, 283283, 326865, 334789, 364221, 386295, 430443, 526097, 585585, 607035, 717405, 849849, 980595, 1004367, 1158885, 1416415, 1578291, 1673945, 1821105, 2152215, 2549547, 2630485, 3013101, 3682679, 4249245, 4734873, 5021835, 7891455, 11048037, 12747735, 15065505, 18413395, 23674365, 33144111, 55240185, 165720555]

約数ペア:

[(1, 165720555), (3, 55240185), (5, 33144111), (7, 23674365), (9, 18413395), (11, 15065505), (13, 12747735), (15, 11048037), (21, 7891455), (33, 5021835), (35, 4734873), (39, 4249245), (45, 3682679), (55, 3013101), (63, 2630485), (65, 2549547), (77, 2152215), (91, 1821105), (99, 1673945), (105, 1578291), (117, 1416415), (143, 1158885), (165, 1004367), (169, 980595), (195, 849849), (231, 717405), (273, 607035), (283, 585585), (315, 526097), (385, 430443), (429, 386295), (455, 364221), (495, 334789), (507, 326865), (585, 283283), (693, 239135), (715, 231777), (819, 202345), (845, 196119), (849, 195195), (1001, 165555), (1155, 143481), (1183, 140085), (1287, 128765), (1365, 121407), (1415, 117117), (1521, 108955), (1859, 89145), (1981, 83655), (2145, 77259), (2535, 65373), (2547, 65065), (3003, 55185), (3113, 53235), (3465, 47827), (3549, 46695), (3679, 45045), (4095, 40469), (4245, 39039), (5005, 33111), (5577, 29715), (5915, 28017), (5943, 27885), (6435, 25753), (7605, 21791), (9009, 18395), (9295, 17829), (9339, 17745), (9905, 16731), (10647, 15565), (11037, 15015), (12735, 13013)]