28197675

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{11393}}^1$

素因数の和:11420

約数の個数: 36

約数和(自身を含む): 55101384

約数和(自身を除く): 26903709

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 11393, 34179, 56965, 102537, 125323, 170895, 284825, 375969, 512685, 626615, 854475, 1127907, 1879845, 2563425, 3133075, 5639535, 9399225, 28197675]

約数ペア:

[(1, 28197675), (3, 9399225), (5, 5639535), (9, 3133075), (11, 2563425), (15, 1879845), (25, 1127907), (33, 854475), (45, 626615), (55, 512685), (75, 375969), (99, 284825), (165, 170895), (225, 125323), (275, 102537), (495, 56965), (825, 34179), (2475, 11393)]