28889139

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{1381}}^1$

素因数の和:1770

約数の個数: 16

約数和(自身を含む): 40686080

約数和(自身を除く): 11796941

約数列:

[1, 3, 19, 57, 367, 1101, 1381, 4143, 6973, 20919, 26239, 78717, 506827, 1520481, 9629713, 28889139]

約数ペア:

[(1, 28889139), (3, 9629713), (19, 1520481), (57, 506827), (367, 78717), (1101, 26239), (1381, 20919), (4143, 6973)]