25989903

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{4789}}^1$

素因数の和:4868

約数の個数: 20

約数和(自身を含む): 39412120

約数和(自身を除く): 13422217

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 4789, 5427, 14367, 43101, 129303, 320863, 387909, 962589, 2887767, 8663301, 25989903]

約数ペア:

[(1, 25989903), (3, 8663301), (9, 2887767), (27, 962589), (67, 387909), (81, 320863), (201, 129303), (603, 43101), (1809, 14367), (4789, 5427)]