81007885

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{39229}}^1$

素因数の和:39300

約数の個数: 16

約数和(自身を含む): 112982400

約数和(自身を除く): 31974515

約数列:

[1, 5, 7, 35, 59, 295, 413, 2065, 39229, 196145, 274603, 1373015, 2314511, 11572555, 16201577, 81007885]

約数ペア:

[(1, 81007885), (5, 16201577), (7, 11572555), (35, 2314511), (59, 1373015), (295, 274603), (413, 196145), (2065, 39229)]