17213959

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3449}}^1$

素因数の和:3510

約数の個数: 16

約数和(自身を含む): 21196800

約数和(自身を除く): 3982841

約数列:

[1, 7, 23, 31, 161, 217, 713, 3449, 4991, 24143, 79327, 106919, 555289, 748433, 2459137, 17213959]

約数ペア:

[(1, 17213959), (7, 2459137), (23, 748433), (31, 555289), (161, 106919), (217, 79327), (713, 24143), (3449, 4991)]