12505581

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2141}}^1$

素因数の和:2217

約数の個数: 24

約数和(自身を含む): 20049120

約数和(自身を除く): 7543539

約数列:

[1, 3, 9, 11, 33, 59, 99, 177, 531, 649, 1947, 2141, 5841, 6423, 19269, 23551, 70653, 126319, 211959, 378957, 1136871, 1389509, 4168527, 12505581]

約数ペア:

[(1, 12505581), (3, 4168527), (9, 1389509), (11, 1136871), (33, 378957), (59, 211959), (99, 126319), (177, 70653), (531, 23551), (649, 19269), (1947, 6423), (2141, 5841)]