205804989

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:148

約数の個数: 96

約数和(自身を含む): 360495360

約数和(自身を除く): 154690371

約数列:

[1, 3, 9, 13, 23, 27, 37, 39, 53, 69, 111, 117, 159, 169, 207, 299, 333, 351, 477, 481, 507, 621, 689, 851, 897, 999, 1219, 1431, 1443, 1521, 1961, 2067, 2553, 2691, 3657, 3887, 4329, 4563, 5883, 6201, 6253, 7659, 8073, 8957, 10971, 11063, 11661, 12987, 15847, 17649, 18603, 18759, 22977, 25493, 26871, 32913, 33189, 34983, 45103, 47541, 52947, 56277, 76479, 80613, 99567, 104949, 135309, 142623, 143819, 168831, 206011, 229437, 241839, 298701, 331409, 405927, 427869, 431457, 586339, 618033, 688311, 994227, 1217781, 1294371, 1759017, 1854099, 2982681, 3883113, 5277051, 5562297, 7622407, 8948043, 15831153, 22867221, 68601663, 205804989]

約数ペア:

[(1, 205804989), (3, 68601663), (9, 22867221), (13, 15831153), (23, 8948043), (27, 7622407), (37, 5562297), (39, 5277051), (53, 3883113), (69, 2982681), (111, 1854099), (117, 1759017), (159, 1294371), (169, 1217781), (207, 994227), (299, 688311), (333, 618033), (351, 586339), (477, 431457), (481, 427869), (507, 405927), (621, 331409), (689, 298701), (851, 241839), (897, 229437), (999, 206011), (1219, 168831), (1431, 143819), (1443, 142623), (1521, 135309), (1961, 104949), (2067, 99567), (2553, 80613), (2691, 76479), (3657, 56277), (3887, 52947), (4329, 47541), (4563, 45103), (5883, 34983), (6201, 33189), (6253, 32913), (7659, 26871), (8073, 25493), (8957, 22977), (10971, 18759), (11063, 18603), (11661, 17649), (12987, 15847)]