28218447

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{5927}}^1$

素因数の和:5979

約数の個数: 18

約数和(自身を含む): 42616392

約数和(自身を除く): 14397945

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4761, 5927, 17781, 53343, 136321, 408963, 1226889, 3135383, 9406149, 28218447]

約数ペア:

[(1, 28218447), (3, 9406149), (9, 3135383), (23, 1226889), (69, 408963), (207, 136321), (529, 53343), (1587, 17781), (4761, 5927)]