25667649

素因数分解:

$3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2111}}^1$

素因数の和:2317

約数の個数: 24

約数和(自身を含む): 42611712

約数和(自身を除く): 16944063

約数列:

[1, 3, 7, 9, 21, 63, 193, 579, 1351, 1737, 2111, 4053, 6333, 12159, 14777, 18999, 44331, 132993, 407423, 1222269, 2851961, 3666807, 8555883, 25667649]

約数ペア:

[(1, 25667649), (3, 8555883), (7, 3666807), (9, 2851961), (21, 1222269), (63, 407423), (193, 132993), (579, 44331), (1351, 18999), (1737, 14777), (2111, 12159), (4053, 6333)]