9781447

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^2$

素因数の和:430

約数の個数: 12

約数和(自身を含む): 11144280

約数和(自身を除く): 1362833

約数列:

[1, 13, 19, 199, 247, 2587, 3781, 39601, 49153, 514813, 752419, 9781447]

約数ペア:

[(1, 9781447), (13, 752419), (19, 514813), (199, 49153), (247, 39601), (2587, 3781)]