28143423

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13537}}^1$

素因数の和:13564

約数の個数: 32

約数和(自身を含む): 51985920

約数和(自身を除く): 23842497

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 13537, 40611, 94759, 121833, 148907, 284277, 365499, 446721, 852831, 1042349, 1340163, 2558493, 3127047, 4020489, 9381141, 28143423]

約数ペア:

[(1, 28143423), (3, 9381141), (7, 4020489), (9, 3127047), (11, 2558493), (21, 1340163), (27, 1042349), (33, 852831), (63, 446721), (77, 365499), (99, 284277), (189, 148907), (231, 121833), (297, 94759), (693, 40611), (2079, 13537)]