81801181

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{863}}^1\times {\mathrm{1231}}^1$

素因数の和:2112

約数の個数: 16

約数和(自身を含む): 102187008

約数和(自身を除く): 20385827

約数列:

[1, 7, 11, 77, 863, 1231, 6041, 8617, 9493, 13541, 66451, 94787, 1062353, 7436471, 11685883, 81801181]

約数ペア:

[(1, 81801181), (7, 11685883), (11, 7436471), (77, 1062353), (863, 94787), (1231, 66451), (6041, 13541), (8617, 9493)]