28759995

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 56609280

約数和(自身を除く): 27849285

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 107, 135, 165, 181, 297, 321, 495, 535, 543, 905, 963, 1177, 1485, 1605, 1629, 1991, 2715, 2889, 3531, 4815, 4887, 5885, 5973, 8145, 9955, 10593, 14445, 17655, 17919, 19367, 24435, 29865, 31779, 52965, 53757, 58101, 89595, 96835, 158895, 174303, 213037, 268785, 290505, 522909, 639111, 871515, 1065185, 1917333, 2614545, 3195555, 5751999, 9586665, 28759995]

約数ペア:

[(1, 28759995), (3, 9586665), (5, 5751999), (9, 3195555), (11, 2614545), (15, 1917333), (27, 1065185), (33, 871515), (45, 639111), (55, 522909), (99, 290505), (107, 268785), (135, 213037), (165, 174303), (181, 158895), (297, 96835), (321, 89595), (495, 58101), (535, 53757), (543, 52965), (905, 31779), (963, 29865), (1177, 24435), (1485, 19367), (1605, 17919), (1629, 17655), (1991, 14445), (2715, 10593), (2889, 9955), (3531, 8145), (4815, 5973), (4887, 5885)]