9720005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{661}}^1$

素因数の和:856

約数の個数: 16

約数和(自身を含む): 12440304

約数和(自身を除く): 2720299

約数列:

[1, 5, 17, 85, 173, 661, 865, 2941, 3305, 11237, 14705, 56185, 114353, 571765, 1944001, 9720005]

約数ペア:

[(1, 9720005), (5, 1944001), (17, 571765), (85, 114353), (173, 56185), (661, 14705), (865, 11237), (2941, 3305)]