51183657

素因数分解:

$3^4\times 7^1\times {\mathrm{90271}}^1$

素因数の和:90290

約数の個数: 20

約数和(自身を含む): 87383296

約数和(自身を除く): 36199639

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 90271, 270813, 631897, 812439, 1895691, 2437317, 5687073, 7311951, 17061219, 51183657]

約数ペア:

[(1, 51183657), (3, 17061219), (7, 7311951), (9, 5687073), (21, 2437317), (27, 1895691), (63, 812439), (81, 631897), (189, 270813), (567, 90271)]