7238721

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2141}}^1$

素因数の和:2181

約数の個数: 24

約数和(自身を含む): 11721024

約数和(自身を除く): 4482303

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 2141, 3381, 6423, 14987, 44961, 49243, 104909, 147729, 314727, 344701, 1034103, 2412907, 7238721]

約数ペア:

[(1, 7238721), (3, 2412907), (7, 1034103), (21, 344701), (23, 314727), (49, 147729), (69, 104909), (147, 49243), (161, 44961), (483, 14987), (1127, 6423), (2141, 3381)]