261791841

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{751}}^1\times {\mathrm{887}}^1$

素因数の和:1772

約数の個数: 16

約数和(自身を含む): 352585728

約数和(自身を除く): 90793887

約数列:

[1, 3, 131, 393, 751, 887, 2253, 2661, 98381, 116197, 295143, 348591, 666137, 1998411, 87263947, 261791841]

約数ペア:

[(1, 261791841), (3, 87263947), (131, 1998411), (393, 666137), (751, 348591), (887, 295143), (2253, 116197), (2661, 98381)]