81231773

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{673}}^1$

素因数の和:1124

約数の個数: 16

約数和(自身を含む): 95373696

約数和(自身を除く): 14141923

約数列:

[1, 7, 43, 301, 401, 673, 2807, 4711, 17243, 28939, 120701, 202573, 269873, 1889111, 11604539, 81231773]

約数ペア:

[(1, 81231773), (7, 11604539), (43, 1889111), (301, 269873), (401, 202573), (673, 120701), (2807, 28939), (4711, 17243)]