2680839

素因数分解:

$3^2\times 7^2\times {\mathrm{6079}}^1$

素因数の和:6099

約数の個数: 18

約数和(自身を含む): 4505280

約数和(自身を除く): 1824441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 6079, 18237, 42553, 54711, 127659, 297871, 382977, 893613, 2680839]

約数ペア:

[(1, 2680839), (3, 893613), (7, 382977), (9, 297871), (21, 127659), (49, 54711), (63, 42553), (147, 18237), (441, 6079)]