80821375887

素因数分解:

$3^1\times 7^1\times {\mathrm{727}}^1\times {\mathrm{5293861}}^1$

素因数の和:5294598

約数の個数: 16

約数和(自身を含む): 123325809152

約数和(自身を除く): 42504433265

約数列:

[1, 3, 7, 21, 727, 2181, 5089, 15267, 5293861, 15881583, 37057027, 111171081, 3848636947, 11545910841, 26940458629, 80821375887]

約数ペア:

[(1, 80821375887), (3, 26940458629), (7, 11545910841), (21, 3848636947), (727, 111171081), (2181, 37057027), (5089, 15881583), (15267, 5293861)]