81285486

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{190811}}^1$

素因数の和:190887

約数の個数: 16

約数和(自身を含む): 164861568

約数和(自身を除く): 83576082

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 190811, 381622, 572433, 1144866, 13547581, 27095162, 40642743, 81285486]

約数ペア:

[(1, 81285486), (2, 40642743), (3, 27095162), (6, 13547581), (71, 1144866), (142, 572433), (213, 381622), (426, 190811)]