25505847

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{16573}}^1$

素因数の和:16604

約数の個数: 20

約数和(自身を含む): 40109080

約数和(自身を除く): 14603233

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 16573, 49719, 149157, 314887, 447471, 944661, 1342413, 2833983, 8501949, 25505847]

約数ペア:

[(1, 25505847), (3, 8501949), (9, 2833983), (19, 1342413), (27, 944661), (57, 447471), (81, 314887), (171, 149157), (513, 49719), (1539, 16573)]