81636555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5437}}^1$

素因数の和:5476

約数の個数: 64

約数和(自身を含む): 175408128

約数和(自身を除く): 93771573

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 55, 65, 77, 91, 105, 143, 165, 195, 231, 273, 385, 429, 455, 715, 1001, 1155, 1365, 2145, 3003, 5005, 5437, 15015, 16311, 27185, 38059, 59807, 70681, 81555, 114177, 179421, 190295, 212043, 299035, 353405, 418649, 494767, 570885, 777491, 897105, 1060215, 1255947, 1484301, 2093245, 2332473, 2473835, 3887455, 5442437, 6279735, 7421505, 11662365, 16327311, 27212185, 81636555]

約数ペア:

[(1, 81636555), (3, 27212185), (5, 16327311), (7, 11662365), (11, 7421505), (13, 6279735), (15, 5442437), (21, 3887455), (33, 2473835), (35, 2332473), (39, 2093245), (55, 1484301), (65, 1255947), (77, 1060215), (91, 897105), (105, 777491), (143, 570885), (165, 494767), (195, 418649), (231, 353405), (273, 299035), (385, 212043), (429, 190295), (455, 179421), (715, 114177), (1001, 81555), (1155, 70681), (1365, 59807), (2145, 38059), (3003, 27185), (5005, 16311), (5437, 15015)]