25298973

素因数分解:

$3^5\times 7^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 44029440

約数和(自身を除く): 18730467

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 107, 139, 189, 243, 321, 417, 567, 749, 963, 973, 1251, 1701, 2247, 2889, 2919, 3753, 6741, 8667, 8757, 11259, 14873, 20223, 26001, 26271, 33777, 44619, 60669, 78813, 104111, 133857, 182007, 236439, 312333, 401571, 936999, 1204713, 2810997, 3614139, 8432991, 25298973]

約数ペア:

[(1, 25298973), (3, 8432991), (7, 3614139), (9, 2810997), (21, 1204713), (27, 936999), (63, 401571), (81, 312333), (107, 236439), (139, 182007), (189, 133857), (243, 104111), (321, 78813), (417, 60669), (567, 44619), (749, 33777), (963, 26271), (973, 26001), (1251, 20223), (1701, 14873), (2247, 11259), (2889, 8757), (2919, 8667), (3753, 6741)]