51697395

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{26717}}^1$

素因数の和:26771

約数の個数: 24

約数和(自身を含む): 91696176

約数和(自身を除く): 39998781

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 26717, 80151, 133585, 240453, 400755, 1148831, 1202265, 3446493, 5744155, 10339479, 17232465, 51697395]

約数ペア:

[(1, 51697395), (3, 17232465), (5, 10339479), (9, 5744155), (15, 3446493), (43, 1202265), (45, 1148831), (129, 400755), (215, 240453), (387, 133585), (645, 80151), (1935, 26717)]