17866719

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1933}}^1$

素因数の和:2031

約数の個数: 24

約数和(自身を含む): 28159040

約数和(自身を除く): 10292321

約数列:

[1, 3, 9, 13, 39, 79, 117, 237, 711, 1027, 1933, 3081, 5799, 9243, 17397, 25129, 75387, 152707, 226161, 458121, 1374363, 1985191, 5955573, 17866719]

約数ペア:

[(1, 17866719), (3, 5955573), (9, 1985191), (13, 1374363), (39, 458121), (79, 226161), (117, 152707), (237, 75387), (711, 25129), (1027, 17397), (1933, 9243), (3081, 5799)]