28982709

素因数分解:

$3^2\times 7^1\times {\mathrm{521}}^1\times {\mathrm{883}}^1$

素因数の和:1417

約数の個数: 24

約数和(自身を含む): 47990592

約数和(自身を除く): 19007883

約数列:

[1, 3, 7, 9, 21, 63, 521, 883, 1563, 2649, 3647, 4689, 6181, 7947, 10941, 18543, 32823, 55629, 460043, 1380129, 3220301, 4140387, 9660903, 28982709]

約数ペア:

[(1, 28982709), (3, 9660903), (7, 4140387), (9, 3220301), (21, 1380129), (63, 460043), (521, 55629), (883, 32823), (1563, 18543), (2649, 10941), (3647, 7947), (4689, 6181)]