81004617

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{18869}}^1$

素因数の和:18934

約数の個数: 20

約数和(自身を含む): 123296580

約数和(自身を除く): 42291963

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 18869, 56607, 169821, 509463, 1000057, 1528389, 3000171, 9000513, 27001539, 81004617]

約数ペア:

[(1, 81004617), (3, 27001539), (9, 9000513), (27, 3000171), (53, 1528389), (81, 1000057), (159, 509463), (477, 169821), (1431, 56607), (4293, 18869)]