28037475

素因数分解:

$3^3\times 5^2\times {\mathrm{73}}^1\times {\mathrm{569}}^1$

素因数の和:661

約数の個数: 48

約数和(自身を含む): 52303200

約数和(自身を除く): 24265725

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 73, 75, 135, 219, 225, 365, 569, 657, 675, 1095, 1707, 1825, 1971, 2845, 3285, 5121, 5475, 8535, 9855, 14225, 15363, 16425, 25605, 41537, 42675, 49275, 76815, 124611, 128025, 207685, 373833, 384075, 623055, 1038425, 1121499, 1869165, 3115275, 5607495, 9345825, 28037475]

約数ペア:

[(1, 28037475), (3, 9345825), (5, 5607495), (9, 3115275), (15, 1869165), (25, 1121499), (27, 1038425), (45, 623055), (73, 384075), (75, 373833), (135, 207685), (219, 128025), (225, 124611), (365, 76815), (569, 49275), (657, 42675), (675, 41537), (1095, 25605), (1707, 16425), (1825, 15363), (1971, 14225), (2845, 9855), (3285, 8535), (5121, 5475)]