25638849

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{5189}}^1$

素因数の和:5262

約数の個数: 20

約数和(自身を含む): 38935380

約数和(自身を除く): 13296531

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 5189, 15567, 46701, 140103, 316529, 420309, 949587, 2848761, 8546283, 25638849]

約数ペア:

[(1, 25638849), (3, 8546283), (9, 2848761), (27, 949587), (61, 420309), (81, 316529), (183, 140103), (549, 46701), (1647, 15567), (4941, 5189)]