28499985

素因数分解:

$3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1973}}^1$

素因数の和:2094

約数の個数: 32

約数和(自身を含む): 51166080

約数和(自身を除く): 22666095

約数列:

[1, 3, 5, 9, 15, 27, 45, 107, 135, 321, 535, 963, 1605, 1973, 2889, 4815, 5919, 9865, 14445, 17757, 29595, 53271, 88785, 211111, 266355, 633333, 1055555, 1899999, 3166665, 5699997, 9499995, 28499985]

約数ペア:

[(1, 28499985), (3, 9499995), (5, 5699997), (9, 3166665), (15, 1899999), (27, 1055555), (45, 633333), (107, 266355), (135, 211111), (321, 88785), (535, 53271), (963, 29595), (1605, 17757), (1973, 14445), (2889, 9865), (4815, 5919)]