320426127

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 568842144

約数和(自身を除く): 248416017

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 73, 133, 171, 193, 219, 361, 399, 511, 579, 657, 1083, 1197, 1351, 1387, 1533, 1737, 2527, 3249, 3667, 4053, 4161, 4599, 7581, 9709, 11001, 12159, 12483, 14089, 22743, 25669, 26353, 29127, 33003, 42267, 69673, 77007, 79059, 87381, 98623, 126801, 184471, 209019, 231021, 237177, 267691, 295869, 487711, 553413, 627057, 803073, 887607, 1463133, 1660239, 1873837, 2409219, 4389399, 5086129, 5621511, 15258387, 16864533, 35602903, 45775161, 106808709, 320426127]

約数ペア:

[(1, 320426127), (3, 106808709), (7, 45775161), (9, 35602903), (19, 16864533), (21, 15258387), (57, 5621511), (63, 5086129), (73, 4389399), (133, 2409219), (171, 1873837), (193, 1660239), (219, 1463133), (361, 887607), (399, 803073), (511, 627057), (579, 553413), (657, 487711), (1083, 295869), (1197, 267691), (1351, 237177), (1387, 231021), (1533, 209019), (1737, 184471), (2527, 126801), (3249, 98623), (3667, 87381), (4053, 79059), (4161, 77007), (4599, 69673), (7581, 42267), (9709, 33003), (11001, 29127), (12159, 26353), (12483, 25669), (14089, 22743)]