2956121

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 24

約数和(自身を含む): 3731904

約数和(自身を除く): 775783

約数列:

[1, 7, 23, 43, 49, 61, 161, 301, 427, 989, 1127, 1403, 2107, 2623, 2989, 6923, 9821, 18361, 48461, 60329, 68747, 128527, 422303, 2956121]

約数ペア:

[(1, 2956121), (7, 422303), (23, 128527), (43, 68747), (49, 60329), (61, 48461), (161, 18361), (301, 9821), (427, 6923), (989, 2989), (1127, 2623), (1403, 2107)]