21273543

素因数分解:

$3^3\times {\mathrm{617}}^1\times {\mathrm{1277}}^1$

素因数の和:1903

約数の個数: 16

約数和(自身を含む): 31592160

約数和(自身を除く): 10318617

約数列:

[1, 3, 9, 27, 617, 1277, 1851, 3831, 5553, 11493, 16659, 34479, 787909, 2363727, 7091181, 21273543]

約数ペア:

[(1, 21273543), (3, 7091181), (9, 2363727), (27, 787909), (617, 34479), (1277, 16659), (1851, 11493), (3831, 5553)]