25739889

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2081}}^1$

素因数の和:2141

約数の個数: 32

約数和(自身を含む): 42639360

約数和(自身を除く): 16899471

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1767, 2081, 4123, 6243, 12369, 14567, 39539, 43701, 64511, 118617, 193533, 276773, 451577, 830319, 1225709, 1354731, 3677127, 8579963, 25739889]

約数ペア:

[(1, 25739889), (3, 8579963), (7, 3677127), (19, 1354731), (21, 1225709), (31, 830319), (57, 451577), (93, 276773), (133, 193533), (217, 118617), (399, 64511), (589, 43701), (651, 39539), (1767, 14567), (2081, 12369), (4123, 6243)]