639218349

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1129}}^1$

素因数の和:1215

約数の個数: 96

約数和(自身を含む): 1241011200

約数和(自身を除く): 601792851

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 43, 57, 63, 77, 99, 129, 133, 171, 209, 231, 301, 387, 399, 473, 627, 693, 817, 903, 1129, 1197, 1419, 1463, 1881, 2451, 2709, 3311, 3387, 4257, 4389, 5719, 7353, 7903, 8987, 9933, 10161, 12419, 13167, 17157, 21451, 23709, 26961, 29799, 37257, 48547, 51471, 62909, 64353, 71127, 80883, 86933, 111771, 145641, 150157, 188727, 193059, 235961, 260799, 339829, 436923, 450471, 534017, 566181, 707883, 782397, 922393, 1019487, 1351413, 1602051, 1651727, 2123649, 2767179, 3058461, 3738119, 4806153, 4955181, 6456751, 8301537, 10146323, 11214357, 14865543, 19370253, 30438969, 33643071, 58110759, 71024261, 91316907, 213072783, 639218349]

約数ペア:

[(1, 639218349), (3, 213072783), (7, 91316907), (9, 71024261), (11, 58110759), (19, 33643071), (21, 30438969), (33, 19370253), (43, 14865543), (57, 11214357), (63, 10146323), (77, 8301537), (99, 6456751), (129, 4955181), (133, 4806153), (171, 3738119), (209, 3058461), (231, 2767179), (301, 2123649), (387, 1651727), (399, 1602051), (473, 1351413), (627, 1019487), (693, 922393), (817, 782397), (903, 707883), (1129, 566181), (1197, 534017), (1419, 450471), (1463, 436923), (1881, 339829), (2451, 260799), (2709, 235961), (3311, 193059), (3387, 188727), (4257, 150157), (4389, 145641), (5719, 111771), (7353, 86933), (7903, 80883), (8987, 71127), (9933, 64353), (10161, 62909), (12419, 51471), (13167, 48547), (17157, 37257), (21451, 29799), (23709, 26961)]