28061523

素因数分解:

$3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2111}}^1$

素因数の和:2335

約数の個数: 24

約数和(自身を含む): 46565376

約数和(自身を除く): 18503853

約数列:

[1, 3, 7, 9, 21, 63, 211, 633, 1477, 1899, 2111, 4431, 6333, 13293, 14777, 18999, 44331, 132993, 445421, 1336263, 3117947, 4008789, 9353841, 28061523]

約数ペア:

[(1, 28061523), (3, 9353841), (7, 4008789), (9, 3117947), (21, 1336263), (63, 445421), (211, 132993), (633, 44331), (1477, 18999), (1899, 14777), (2111, 13293), (4431, 6333)]