12720701

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:524

約数の個数: 16

約数和(自身を含む): 15052800

約数和(自身を除く): 2332099

約数列:

[1, 7, 41, 127, 287, 349, 889, 2443, 5207, 14309, 36449, 44323, 100163, 310261, 1817243, 12720701]

約数ペア:

[(1, 12720701), (7, 1817243), (41, 310261), (127, 100163), (287, 44323), (349, 36449), (889, 14309), (2443, 5207)]