25689951

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 44388864

約数和(自身を除く): 18698913

約数列:

[1, 3, 7, 9, 21, 37, 63, 103, 107, 111, 259, 309, 321, 333, 721, 749, 777, 927, 963, 2163, 2247, 2331, 3811, 3959, 6489, 6741, 11021, 11433, 11877, 26677, 27713, 33063, 34299, 35631, 77147, 80031, 83139, 99189, 231441, 240093, 249417, 407777, 694323, 1223331, 2854439, 3669993, 8563317, 25689951]

約数ペア:

[(1, 25689951), (3, 8563317), (7, 3669993), (9, 2854439), (21, 1223331), (37, 694323), (63, 407777), (103, 249417), (107, 240093), (111, 231441), (259, 99189), (309, 83139), (321, 80031), (333, 77147), (721, 35631), (749, 34299), (777, 33063), (927, 27713), (963, 26677), (2163, 11877), (2247, 11433), (2331, 11021), (3811, 6741), (3959, 6489)]