28555971

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{409}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 41534640

約数和(自身を除く): 12978669

約数列:

[1, 3, 17, 37, 51, 111, 409, 629, 1227, 1369, 1887, 4107, 6953, 15133, 20859, 23273, 45399, 69819, 257261, 559921, 771783, 1679763, 9518657, 28555971]

約数ペア:

[(1, 28555971), (3, 9518657), (17, 1679763), (37, 771783), (51, 559921), (111, 257261), (409, 69819), (629, 45399), (1227, 23273), (1369, 20859), (1887, 15133), (4107, 6953)]