25509897

素因数分解:

$3^6\times 7^1\times {\mathrm{4999}}^1$

素因数の和:5024

約数の個数: 28

約数和(自身を含む): 43720000

約数和(自身を除く): 18210103

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 4999, 5103, 14997, 34993, 44991, 104979, 134973, 314937, 404919, 944811, 1214757, 2834433, 3644271, 8503299, 25509897]

約数ペア:

[(1, 25509897), (3, 8503299), (7, 3644271), (9, 2834433), (21, 1214757), (27, 944811), (63, 404919), (81, 314937), (189, 134973), (243, 104979), (567, 44991), (729, 34993), (1701, 14997), (4999, 5103)]