81570181

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{3001}}^1$

素因数の和:3372

約数の個数: 16

約数和(自身を含む): 102019968

約数和(自身を除く): 20449787

約数列:

[1, 7, 11, 77, 353, 2471, 3001, 3883, 21007, 27181, 33011, 231077, 1059353, 7415471, 11652883, 81570181]

約数ペア:

[(1, 81570181), (7, 11652883), (11, 7415471), (77, 1059353), (353, 231077), (2471, 33011), (3001, 27181), (3883, 21007)]