247625521

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{75289}}^1$

素因数の和:75336

約数の個数: 16

約数和(自身を含む): 303569280

約数和(自身を除く): 55943759

約数列:

[1, 11, 13, 23, 143, 253, 299, 3289, 75289, 828179, 978757, 1731647, 10766327, 19048117, 22511411, 247625521]

約数ペア:

[(1, 247625521), (11, 22511411), (13, 19048117), (23, 10766327), (143, 1731647), (253, 978757), (299, 828179), (3289, 75289)]