51354891

素因数分解:

$3^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 94610880

約数和(自身を除く): 43255989

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 81, 133, 147, 171, 189, 227, 243, 399, 441, 513, 567, 681, 931, 1197, 1323, 1539, 1589, 1701, 2043, 2793, 3591, 3969, 4313, 4617, 4767, 6129, 8379, 10773, 11123, 11907, 12939, 14301, 18387, 25137, 30191, 32319, 33369, 38817, 42903, 55161, 75411, 90573, 100107, 116451, 128709, 211337, 226233, 271719, 300321, 349353, 386127, 634011, 815157, 900963, 1048059, 1902033, 2445471, 2702889, 5706099, 7336413, 17118297, 51354891]

約数ペア:

[(1, 51354891), (3, 17118297), (7, 7336413), (9, 5706099), (19, 2702889), (21, 2445471), (27, 1902033), (49, 1048059), (57, 900963), (63, 815157), (81, 634011), (133, 386127), (147, 349353), (171, 300321), (189, 271719), (227, 226233), (243, 211337), (399, 128709), (441, 116451), (513, 100107), (567, 90573), (681, 75411), (931, 55161), (1197, 42903), (1323, 38817), (1539, 33369), (1589, 32319), (1701, 30191), (2043, 25137), (2793, 18387), (3591, 14301), (3969, 12939), (4313, 11907), (4617, 11123), (4767, 10773), (6129, 8379)]