215835565

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{15511}}^1$

素因数の和:15561

約数の個数: 24

約数和(自身を含む): 297085824

約数和(自身を除く): 81250259

約数列:

[1, 5, 11, 23, 55, 115, 121, 253, 605, 1265, 2783, 13915, 15511, 77555, 170621, 356753, 853105, 1783765, 1876831, 3924283, 9384155, 19621415, 43167113, 215835565]

約数ペア:

[(1, 215835565), (5, 43167113), (11, 19621415), (23, 9384155), (55, 3924283), (115, 1876831), (121, 1783765), (253, 853105), (605, 356753), (1265, 170621), (2783, 77555), (13915, 15511)]