12171439

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4447}}^1$

素因数の和:4494

約数の個数: 16

約数和(自身を含む): 15372288

約数和(自身を除く): 3200849

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 4447, 31129, 75599, 102281, 529193, 715967, 1738777, 12171439]

約数ペア:

[(1, 12171439), (7, 1738777), (17, 715967), (23, 529193), (119, 102281), (161, 75599), (391, 31129), (2737, 4447)]