25809111

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{18743}}^1$

素因数の和:18772

約数の個数: 20

約数和(自身を含む): 40824432

約数和(自身を除く): 15015321

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 18743, 56229, 168687, 318631, 506061, 955893, 1518183, 2867679, 8603037, 25809111]

約数ペア:

[(1, 25809111), (3, 8603037), (9, 2867679), (17, 1518183), (27, 955893), (51, 506061), (81, 318631), (153, 168687), (459, 56229), (1377, 18743)]