128904858

素因数分解:

$2^1\times 3^4\times {\mathrm{795709}}^1$

素因数の和:795723

約数の個数: 20

約数和(自身を含む): 288842730

約数和(自身を除く): 159937872

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 795709, 1591418, 2387127, 4774254, 7161381, 14322762, 21484143, 42968286, 64452429, 128904858]

約数ペア:

[(1, 128904858), (2, 64452429), (3, 42968286), (6, 21484143), (9, 14322762), (18, 7161381), (27, 4774254), (54, 2387127), (81, 1591418), (162, 795709)]