28864059

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72341}}^1$

素因数の和:72370

約数の個数: 16

約数和(自身を含む): 46298880

約数和(自身を除く): 17434821

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 72341, 217023, 506387, 1374479, 1519161, 4123437, 9621353, 28864059]

約数ペア:

[(1, 28864059), (3, 9621353), (7, 4123437), (19, 1519161), (21, 1374479), (57, 506387), (133, 217023), (399, 72341)]