71240391

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{18713}}^1$

素因数の和:18772

約数の個数: 20

約数和(自身を含む): 108690912

約数和(自身を除く): 37450521

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 18713, 56139, 168417, 505251, 879511, 1515753, 2638533, 7915599, 23746797, 71240391]

約数ペア:

[(1, 71240391), (3, 23746797), (9, 7915599), (27, 2638533), (47, 1515753), (81, 879511), (141, 505251), (423, 168417), (1269, 56139), (3807, 18713)]