278530947

素因数分解:

$3^3\times {\mathrm{199}}^1\times {\mathrm{51839}}^1$

素因数の和:52047

約数の個数: 16

約数和(自身を含む): 414720000

約数和(自身を除く): 136189053

約数列:

[1, 3, 9, 27, 199, 597, 1791, 5373, 51839, 155517, 466551, 1399653, 10315961, 30947883, 92843649, 278530947]

約数ペア:

[(1, 278530947), (3, 92843649), (9, 30947883), (27, 10315961), (199, 1399653), (597, 466551), (1791, 155517), (5373, 51839)]