6991103

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:454

約数の個数: 16

約数和(自身を含む): 8418816

約数和(自身を除く): 1427713

約数列:

[1, 7, 23, 161, 173, 251, 1211, 1757, 3979, 5773, 27853, 40411, 43423, 303961, 998729, 6991103]

約数ペア:

[(1, 6991103), (7, 998729), (23, 303961), (161, 43423), (173, 40411), (251, 27853), (1211, 5773), (1757, 3979)]