340039863

素因数分解:

$3^6\times {\mathrm{157}}^1\times {\mathrm{2971}}^1$

素因数の和:3146

約数の個数: 28

約数和(自身を含む): 513246568

約数和(自身を除く): 173206705

約数列:

[1, 3, 9, 27, 81, 157, 243, 471, 729, 1413, 2971, 4239, 8913, 12717, 26739, 38151, 80217, 114453, 240651, 466447, 721953, 1399341, 2165859, 4198023, 12594069, 37782207, 113346621, 340039863]

約数ペア:

[(1, 340039863), (3, 113346621), (9, 37782207), (27, 12594069), (81, 4198023), (157, 2165859), (243, 1399341), (471, 721953), (729, 466447), (1413, 240651), (2971, 114453), (4239, 80217), (8913, 38151), (12717, 26739)]