28875825

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{3889}}^1$

素因数の和:3919

約数の個数: 48

約数和(自身を含む): 57883200

約数和(自身を除く): 29007375

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 135, 165, 225, 275, 297, 495, 675, 825, 1485, 2475, 3889, 7425, 11667, 19445, 35001, 42779, 58335, 97225, 105003, 128337, 175005, 213895, 291675, 385011, 525015, 641685, 875025, 1069475, 1155033, 1925055, 2625075, 3208425, 5775165, 9625275, 28875825]

約数ペア:

[(1, 28875825), (3, 9625275), (5, 5775165), (9, 3208425), (11, 2625075), (15, 1925055), (25, 1155033), (27, 1069475), (33, 875025), (45, 641685), (55, 525015), (75, 385011), (99, 291675), (135, 213895), (165, 175005), (225, 128337), (275, 105003), (297, 97225), (495, 58335), (675, 42779), (825, 35001), (1485, 19445), (2475, 11667), (3889, 7425)]