28224063

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 52779168

約数和(自身を除く): 24555105

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 73, 119, 133, 153, 171, 219, 323, 357, 361, 399, 511, 657, 969, 1071, 1083, 1197, 1241, 1387, 1533, 2261, 2527, 2907, 3249, 3723, 4161, 4599, 6137, 6783, 7581, 8687, 9709, 11169, 12483, 18411, 20349, 22743, 23579, 26061, 26353, 29127, 42959, 55233, 70737, 78183, 79059, 87381, 128877, 165053, 184471, 212211, 237177, 386631, 448001, 495159, 553413, 1344003, 1485477, 1660239, 3136007, 4032009, 9408021, 28224063]

約数ペア:

[(1, 28224063), (3, 9408021), (7, 4032009), (9, 3136007), (17, 1660239), (19, 1485477), (21, 1344003), (51, 553413), (57, 495159), (63, 448001), (73, 386631), (119, 237177), (133, 212211), (153, 184471), (171, 165053), (219, 128877), (323, 87381), (357, 79059), (361, 78183), (399, 70737), (511, 55233), (657, 42959), (969, 29127), (1071, 26353), (1083, 26061), (1197, 23579), (1241, 22743), (1387, 20349), (1533, 18411), (2261, 12483), (2527, 11169), (2907, 9709), (3249, 8687), (3723, 7581), (4161, 6783), (4599, 6137)]