205171170057

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{436963}}^1$

素因数の和:437262

約数の個数: 48

約数和(自身を含む): 351738541440

約数和(自身を除く): 146567371383

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 257, 261, 609, 771, 1799, 1827, 2313, 5397, 7453, 16191, 22359, 52171, 67077, 156513, 436963, 469539, 1310889, 3058741, 3932667, 9176223, 12671927, 27528669, 38015781, 88703489, 112299491, 114047343, 266110467, 336898473, 786096437, 798331401, 1010695419, 2358289311, 3256685239, 7074867933, 9770055717, 22796796673, 29310167151, 68390390019, 205171170057]

約数ペア:

[(1, 205171170057), (3, 68390390019), (7, 29310167151), (9, 22796796673), (21, 9770055717), (29, 7074867933), (63, 3256685239), (87, 2358289311), (203, 1010695419), (257, 798331401), (261, 786096437), (609, 336898473), (771, 266110467), (1799, 114047343), (1827, 112299491), (2313, 88703489), (5397, 38015781), (7453, 27528669), (16191, 12671927), (22359, 9176223), (52171, 3932667), (67077, 3058741), (156513, 1310889), (436963, 469539)]