25284321

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{9721}}^1$

素因数の和:9761

約数の個数: 18

約数和(自身を含む): 38800502

約数和(自身を除く): 13516181

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 9721, 29163, 87489, 165257, 495771, 1487313, 2809369, 8428107, 25284321]

約数ペア:

[(1, 25284321), (3, 8428107), (9, 2809369), (17, 1487313), (51, 495771), (153, 165257), (289, 87489), (867, 29163), (2601, 9721)]