78245919

素因数分解:

$3^4\times {\mathrm{263}}^1\times {\mathrm{3673}}^1$

素因数の和:3948

約数の個数: 20

約数和(自身を含む): 117362256

約数和(自身を除く): 39116337

約数列:

[1, 3, 9, 27, 81, 263, 789, 2367, 3673, 7101, 11019, 21303, 33057, 99171, 297513, 965999, 2897997, 8693991, 26081973, 78245919]

約数ペア:

[(1, 78245919), (3, 26081973), (9, 8693991), (27, 2897997), (81, 965999), (263, 297513), (789, 99171), (2367, 33057), (3673, 21303), (7101, 11019)]