217186758

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1721}}^1$

素因数の和:1795

約数の個数: 80

約数和(自身を含む): 525072240

約数和(自身を除く): 307885482

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 41, 54, 57, 81, 82, 114, 123, 162, 171, 246, 342, 369, 513, 738, 779, 1026, 1107, 1539, 1558, 1721, 2214, 2337, 3078, 3321, 3442, 4674, 5163, 6642, 7011, 10326, 14022, 15489, 21033, 30978, 32699, 42066, 46467, 63099, 65398, 70561, 92934, 98097, 126198, 139401, 141122, 196194, 211683, 278802, 294291, 423366, 588582, 635049, 882873, 1270098, 1340659, 1765746, 1905147, 2648619, 2681318, 3810294, 4021977, 5297238, 5715441, 8043954, 11430882, 12065931, 24131862, 36197793, 72395586, 108593379, 217186758]

約数ペア:

[(1, 217186758), (2, 108593379), (3, 72395586), (6, 36197793), (9, 24131862), (18, 12065931), (19, 11430882), (27, 8043954), (38, 5715441), (41, 5297238), (54, 4021977), (57, 3810294), (81, 2681318), (82, 2648619), (114, 1905147), (123, 1765746), (162, 1340659), (171, 1270098), (246, 882873), (342, 635049), (369, 588582), (513, 423366), (738, 294291), (779, 278802), (1026, 211683), (1107, 196194), (1539, 141122), (1558, 139401), (1721, 126198), (2214, 98097), (2337, 92934), (3078, 70561), (3321, 65398), (3442, 63099), (4674, 46467), (5163, 42066), (6642, 32699), (7011, 30978), (10326, 21033), (14022, 15489)]