71894871

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{16747}}^1$

素因数の和:16812

約数の個数: 20

約数和(自身を含む): 109431432

約数和(自身を除く): 37536561

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 16747, 50241, 150723, 452169, 887591, 1356507, 2662773, 7988319, 23964957, 71894871]

約数ペア:

[(1, 71894871), (3, 23964957), (9, 7988319), (27, 2662773), (53, 1356507), (81, 887591), (159, 452169), (477, 150723), (1431, 50241), (4293, 16747)]