28554339

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2213}}^1$

素因数の和:2267

約数の個数: 32

約数和(自身を含む): 45909504

約数和(自身を除く): 17355165

約数列:

[1, 3, 11, 17, 23, 33, 51, 69, 187, 253, 391, 561, 759, 1173, 2213, 4301, 6639, 12903, 24343, 37621, 50899, 73029, 112863, 152697, 413831, 559889, 865283, 1241493, 1679667, 2595849, 9518113, 28554339]

約数ペア:

[(1, 28554339), (3, 9518113), (11, 2595849), (17, 1679667), (23, 1241493), (33, 865283), (51, 559889), (69, 413831), (187, 152697), (253, 112863), (391, 73029), (561, 50899), (759, 37621), (1173, 24343), (2213, 12903), (4301, 6639)]