25691967

素因数分解:

$3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2113}}^1$

素因数の和:2319

約数の個数: 24

約数和(自身を含む): 42652064

約数和(自身を除く): 16960097

約数列:

[1, 3, 7, 9, 21, 63, 193, 579, 1351, 1737, 2113, 4053, 6339, 12159, 14791, 19017, 44373, 133119, 407809, 1223427, 2854663, 3670281, 8563989, 25691967]

約数ペア:

[(1, 25691967), (3, 8563989), (7, 3670281), (9, 2854663), (21, 1223427), (63, 407809), (193, 133119), (579, 44373), (1351, 19017), (1737, 14791), (2113, 12159), (4053, 6339)]