25587009

素因数分解:

$3^4\times 7^1\times {\mathrm{45127}}^1$

素因数の和:45146

約数の個数: 20

約数和(自身を含む): 43683904

約数和(自身を除く): 18096895

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 45127, 135381, 315889, 406143, 947667, 1218429, 2843001, 3655287, 8529003, 25587009]

約数ペア:

[(1, 25587009), (3, 8529003), (7, 3655287), (9, 2843001), (21, 1218429), (27, 947667), (63, 406143), (81, 315889), (189, 135381), (567, 45127)]