13809621

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2539}}^1$

素因数の和:2593

約数の個数: 24

約数和(自身を含む): 22006560

約数和(自身を除く): 8196939

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 2539, 5439, 7617, 17773, 53319, 93943, 124411, 281829, 373233, 657601, 1972803, 4603207, 13809621]

約数ペア:

[(1, 13809621), (3, 4603207), (7, 1972803), (21, 657601), (37, 373233), (49, 281829), (111, 124411), (147, 93943), (259, 53319), (777, 17773), (1813, 7617), (2539, 5439)]