25371885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1997}}^1$

素因数の和:2034

約数の個数: 48

約数和(自身を含む): 51020928

約数和(自身を除く): 25649043

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 121, 165, 231, 363, 385, 605, 847, 1155, 1815, 1997, 2541, 4235, 5991, 9985, 12705, 13979, 21967, 29955, 41937, 65901, 69895, 109835, 153769, 209685, 241637, 329505, 461307, 724911, 768845, 1208185, 1691459, 2306535, 3624555, 5074377, 8457295, 25371885]

約数ペア:

[(1, 25371885), (3, 8457295), (5, 5074377), (7, 3624555), (11, 2306535), (15, 1691459), (21, 1208185), (33, 768845), (35, 724911), (55, 461307), (77, 329505), (105, 241637), (121, 209685), (165, 153769), (231, 109835), (363, 69895), (385, 65901), (605, 41937), (847, 29955), (1155, 21967), (1815, 13979), (1997, 12705), (2541, 9985), (4235, 5991)]