27781572

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 85263360

約数和(自身を除く): 57481788

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 52, 57, 76, 78, 84, 91, 103, 114, 133, 156, 169, 182, 206, 228, 247, 266, 273, 309, 338, 364, 399, 412, 494, 507, 532, 546, 618, 676, 721, 741, 798, 988, 1014, 1092, 1183, 1236, 1339, 1442, 1482, 1596, 1729, 1957, 2028, 2163, 2366, 2678, 2884, 2964, 3211, 3458, 3549, 3914, 4017, 4326, 4732, 5187, 5356, 5871, 6422, 6916, 7098, 7828, 8034, 8652, 9373, 9633, 10374, 11742, 12844, 13699, 14196, 16068, 17407, 18746, 19266, 20748, 22477, 23484, 25441, 27398, 28119, 34814, 37492, 38532, 41097, 44954, 50882, 52221, 54796, 56238, 67431, 69628, 76323, 82194, 89908, 101764, 104442, 112476, 121849, 134862, 152646, 164388, 178087, 208884, 243698, 269724, 305292, 330733, 356174, 365547, 487396, 534261, 661466, 712348, 731094, 992199, 1068522, 1322932, 1462188, 1984398, 2137044, 2315131, 3968796, 4630262, 6945393, 9260524, 13890786, 27781572]

約数ペア:

[(1, 27781572), (2, 13890786), (3, 9260524), (4, 6945393), (6, 4630262), (7, 3968796), (12, 2315131), (13, 2137044), (14, 1984398), (19, 1462188), (21, 1322932), (26, 1068522), (28, 992199), (38, 731094), (39, 712348), (42, 661466), (52, 534261), (57, 487396), (76, 365547), (78, 356174), (84, 330733), (91, 305292), (103, 269724), (114, 243698), (133, 208884), (156, 178087), (169, 164388), (182, 152646), (206, 134862), (228, 121849), (247, 112476), (266, 104442), (273, 101764), (309, 89908), (338, 82194), (364, 76323), (399, 69628), (412, 67431), (494, 56238), (507, 54796), (532, 52221), (546, 50882), (618, 44954), (676, 41097), (721, 38532), (741, 37492), (798, 34814), (988, 28119), (1014, 27398), (1092, 25441), (1183, 23484), (1236, 22477), (1339, 20748), (1442, 19266), (1482, 18746), (1596, 17407), (1729, 16068), (1957, 14196), (2028, 13699), (2163, 12844), (2366, 11742), (2678, 10374), (2884, 9633), (2964, 9373), (3211, 8652), (3458, 8034), (3549, 7828), (3914, 7098), (4017, 6916), (4326, 6422), (4732, 5871), (5187, 5356)]