21270087

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{6203}}^1$

素因数の和:6339

約数の個数: 16

約数和(自身を含む): 31764480

約数和(自身を除く): 10494393

約数列:

[1, 3, 9, 27, 127, 381, 1143, 3429, 6203, 18609, 55827, 167481, 787781, 2363343, 7090029, 21270087]

約数ペア:

[(1, 21270087), (3, 7090029), (9, 2363343), (27, 787781), (127, 167481), (381, 55827), (1143, 18609), (3429, 6203)]