28251657

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6143}}^1$

素因数の和:6229

約数の個数: 24

約数和(自身を含む): 47284224

約数和(自身を除く): 19032567

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4599, 6143, 18429, 43001, 55287, 129003, 387009, 448439, 1345317, 3139073, 4035951, 9417219, 28251657]

約数ペア:

[(1, 28251657), (3, 9417219), (7, 4035951), (9, 3139073), (21, 1345317), (63, 448439), (73, 387009), (219, 129003), (511, 55287), (657, 43001), (1533, 18429), (4599, 6143)]