16989363

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1361}}^1$

素因数の和:1459

約数の個数: 24

約数和(自身を含む): 26204880

約数和(自身を除く): 9215517

約数列:

[1, 3, 9, 19, 57, 73, 171, 219, 657, 1361, 1387, 4083, 4161, 12249, 12483, 25859, 77577, 99353, 232731, 298059, 894177, 1887707, 5663121, 16989363]

約数ペア:

[(1, 16989363), (3, 5663121), (9, 1887707), (19, 894177), (57, 298059), (73, 232731), (171, 99353), (219, 77577), (657, 25859), (1361, 12483), (1387, 12249), (4083, 4161)]