25255557

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{18341}}^1$

素因数の和:18370

約数の個数: 20

約数和(自身を含む): 39948876

約数和(自身を除く): 14693319

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 18341, 55023, 165069, 311797, 495207, 935391, 1485621, 2806173, 8418519, 25255557]

約数ペア:

[(1, 25255557), (3, 8418519), (9, 2806173), (17, 1485621), (27, 935391), (51, 495207), (81, 311797), (153, 165069), (459, 55023), (1377, 18341)]