71236989

素因数分解:

$3^4\times {\mathrm{421}}^1\times {\mathrm{2089}}^1$

素因数の和:2522

約数の個数: 20

約数和(自身を含む): 106719580

約数和(自身を除く): 35482591

約数列:

[1, 3, 9, 27, 81, 421, 1263, 2089, 3789, 6267, 11367, 18801, 34101, 56403, 169209, 879469, 2638407, 7915221, 23745663, 71236989]

約数ペア:

[(1, 71236989), (3, 23745663), (9, 7915221), (27, 2638407), (81, 879469), (421, 169209), (1263, 56403), (2089, 34101), (3789, 18801), (6267, 11367)]