15720065

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{433}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 19405008

約数和(自身を除く): 3684943

約数列:

[1, 5, 53, 137, 265, 433, 685, 2165, 7261, 22949, 36305, 59321, 114745, 296605, 3144013, 15720065]

約数ペア:

[(1, 15720065), (5, 3144013), (53, 296605), (137, 114745), (265, 59321), (433, 36305), (685, 22949), (2165, 7261)]