38781717

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 59136000

約数和(自身を除く): 20354283

約数列:

[1, 3, 13, 19, 39, 57, 199, 247, 263, 597, 741, 789, 2587, 3419, 3781, 4997, 7761, 10257, 11343, 14991, 49153, 52337, 64961, 147459, 157011, 194883, 680381, 994403, 2041143, 2983209, 12927239, 38781717]

約数ペア:

[(1, 38781717), (3, 12927239), (13, 2983209), (19, 2041143), (39, 994403), (57, 680381), (199, 194883), (247, 157011), (263, 147459), (597, 64961), (741, 52337), (789, 49153), (2587, 14991), (3419, 11343), (3781, 10257), (4997, 7761)]