205647417

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{19991}}^1$

素因数の和:20130

約数の個数: 20

約数和(自身を含む): 309636096

約数和(自身を除く): 103988679

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 3429, 10287, 19991, 59973, 179919, 539757, 1619271, 2538857, 7616571, 22849713, 68549139, 205647417]

約数ペア:

[(1, 205647417), (3, 68549139), (9, 22849713), (27, 7616571), (81, 2538857), (127, 1619271), (381, 539757), (1143, 179919), (3429, 59973), (10287, 19991)]