71397207

素因数分解:

$3^4\times 7^1\times {\mathrm{125921}}^1$

素因数の和:125940

約数の個数: 20

約数和(自身を含む): 121892496

約数和(自身を除く): 50495289

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 125921, 377763, 881447, 1133289, 2644341, 3399867, 7933023, 10199601, 23799069, 71397207]

約数ペア:

[(1, 71397207), (3, 23799069), (7, 10199601), (9, 7933023), (21, 3399867), (27, 2644341), (63, 1133289), (81, 881447), (189, 377763), (567, 125921)]