28554939

素因数分解:

$3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1613}}^1$

素因数の和:1907

約数の個数: 24

約数和(自身を含む): 47335392

約数和(自身を除く): 18780453

約数列:

[1, 3, 7, 9, 21, 63, 281, 843, 1613, 1967, 2529, 4839, 5901, 11291, 14517, 17703, 33873, 101619, 453253, 1359759, 3172771, 4079277, 9518313, 28554939]

約数ペア:

[(1, 28554939), (3, 9518313), (7, 4079277), (9, 3172771), (21, 1359759), (63, 453253), (281, 101619), (843, 33873), (1613, 17703), (1967, 14517), (2529, 11291), (4839, 5901)]