81365225

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{69247}}^1$

素因数の和:69304

約数の個数: 12

約数和(自身を含む): 103041024

約数和(自身を除く): 21675799

約数列:

[1, 5, 25, 47, 235, 1175, 69247, 346235, 1731175, 3254609, 16273045, 81365225]

約数ペア:

[(1, 81365225), (5, 16273045), (25, 3254609), (47, 1731175), (235, 346235), (1175, 69247)]