28620735

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1213}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 54251232

約数和(自身を除く): 25630497

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 121, 143, 165, 195, 363, 429, 605, 715, 1213, 1573, 1815, 2145, 3639, 4719, 6065, 7865, 13343, 15769, 18195, 23595, 40029, 47307, 66715, 78845, 146773, 173459, 200145, 236535, 440319, 520377, 733865, 867295, 1908049, 2201595, 2601885, 5724147, 9540245, 28620735]

約数ペア:

[(1, 28620735), (3, 9540245), (5, 5724147), (11, 2601885), (13, 2201595), (15, 1908049), (33, 867295), (39, 733865), (55, 520377), (65, 440319), (121, 236535), (143, 200145), (165, 173459), (195, 146773), (363, 78845), (429, 66715), (605, 47307), (715, 40029), (1213, 23595), (1573, 18195), (1815, 15769), (2145, 13343), (3639, 7865), (4719, 6065)]