16678187793

素因数分解:

$3^4\times {\mathrm{503}}^1\times {\mathrm{409351}}^1$

素因数の和:409866

約数の個数: 20

約数和(自身を含む): 24963922368

約数和(自身を除く): 8285734575

約数列:

[1, 3, 9, 27, 81, 503, 1509, 4527, 13581, 40743, 409351, 1228053, 3684159, 11052477, 33157431, 205903553, 617710659, 1853131977, 5559395931, 16678187793]

約数ペア:

[(1, 16678187793), (3, 5559395931), (9, 1853131977), (27, 617710659), (81, 205903553), (503, 33157431), (1509, 11052477), (4527, 3684159), (13581, 1228053), (40743, 409351)]