71982081

素因数分解:

$3^3\times {\mathrm{199}}^1\times {\mathrm{13397}}^1$

素因数の和:13605

約数の個数: 16

約数和(自身を含む): 107184000

約数和(自身を除く): 35201919

約数列:

[1, 3, 9, 27, 199, 597, 1791, 5373, 13397, 40191, 120573, 361719, 2666003, 7998009, 23994027, 71982081]

約数ペア:

[(1, 71982081), (3, 23994027), (9, 7998009), (27, 2666003), (199, 361719), (597, 120573), (1791, 40191), (5373, 13397)]