165661767

素因数分解:

$3^4\times {\mathrm{269}}^1\times {\mathrm{7603}}^1$

素因数の和:7884

約数の個数: 20

約数和(自身を含む): 248422680

約数和(自身を除く): 82760913

約数列:

[1, 3, 9, 27, 81, 269, 807, 2421, 7263, 7603, 21789, 22809, 68427, 205281, 615843, 2045207, 6135621, 18406863, 55220589, 165661767]

約数ペア:

[(1, 165661767), (3, 55220589), (9, 18406863), (27, 6135621), (81, 2045207), (269, 615843), (807, 205281), (2421, 68427), (7263, 22809), (7603, 21789)]