161997121

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{7603}}^1$

素因数の和:7776

約数の個数: 16

約数和(自身を含む): 191620800

約数和(自身を除く): 29623679

約数列:

[1, 11, 13, 143, 149, 1639, 1937, 7603, 21307, 83633, 98839, 1087229, 1132847, 12461317, 14727011, 161997121]

約数ペア:

[(1, 161997121), (11, 14727011), (13, 12461317), (143, 1132847), (149, 1087229), (1639, 98839), (1937, 83633), (7603, 21307)]