172440981

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{16763}}^1$

素因数の和:16902

約数の個数: 20

約数和(自身を含む): 259640832

約数和(自身を除く): 87199851

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 3429, 10287, 16763, 50289, 150867, 452601, 1357803, 2128901, 6386703, 19160109, 57480327, 172440981]

約数ペア:

[(1, 172440981), (3, 57480327), (9, 19160109), (27, 6386703), (81, 2128901), (127, 1357803), (381, 452601), (1143, 150867), (3429, 50289), (10287, 16763)]