25439643

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{20047}}^1$

素因数の和:20103

約数の個数: 16

約数和(自身を含む): 38492160

約数和(自身を除く): 13052517

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 20047, 60141, 180423, 541269, 942209, 2826627, 8479881, 25439643]

約数ペア:

[(1, 25439643), (3, 8479881), (9, 2826627), (27, 942209), (47, 541269), (141, 180423), (423, 60141), (1269, 20047)]