81007779

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1\times {\mathrm{1213}}^1$

素因数の和:1526

約数の個数: 16

約数和(自身を含む): 109609632

約数和(自身を除く): 28601853

約数列:

[1, 3, 113, 197, 339, 591, 1213, 3639, 22261, 66783, 137069, 238961, 411207, 716883, 27002593, 81007779]

約数ペア:

[(1, 81007779), (3, 27002593), (113, 716883), (197, 411207), (339, 238961), (591, 137069), (1213, 66783), (3639, 22261)]