28153305

素因数分解:

$3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1949}}^1$

素因数の和:2070

約数の個数: 32

約数和(自身を含む): 50544000

約数和(自身を除く): 22390695

約数列:

[1, 3, 5, 9, 15, 27, 45, 107, 135, 321, 535, 963, 1605, 1949, 2889, 4815, 5847, 9745, 14445, 17541, 29235, 52623, 87705, 208543, 263115, 625629, 1042715, 1876887, 3128145, 5630661, 9384435, 28153305]

約数ペア:

[(1, 28153305), (3, 9384435), (5, 5630661), (9, 3128145), (15, 1876887), (27, 1042715), (45, 625629), (107, 263115), (135, 208543), (321, 87705), (535, 52623), (963, 29235), (1605, 17541), (1949, 14445), (2889, 9745), (4815, 5847)]