28773087

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1949}}^1$

素因数の和:2015

約数の個数: 32

約数和(自身を含む): 47424000

約数和(自身を除く): 18650913

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 1949, 2109, 4921, 5847, 13643, 14763, 37031, 40929, 72113, 111093, 216339, 259217, 504791, 777651, 1370147, 1514373, 4110441, 9591029, 28773087]

約数ペア:

[(1, 28773087), (3, 9591029), (7, 4110441), (19, 1514373), (21, 1370147), (37, 777651), (57, 504791), (111, 259217), (133, 216339), (259, 111093), (399, 72113), (703, 40929), (777, 37031), (1949, 14763), (2109, 13643), (4921, 5847)]