11975649

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1987}}^1$

素因数の和:2045

約数の個数: 24

約数和(自身を含む): 19037088

約数和(自身を除く): 7061439

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 1987, 2009, 5961, 6027, 13909, 41727, 81467, 97363, 244401, 292089, 570269, 1710807, 3991883, 11975649]

約数ペア:

[(1, 11975649), (3, 3991883), (7, 1710807), (21, 570269), (41, 292089), (49, 244401), (123, 97363), (147, 81467), (287, 41727), (861, 13909), (1987, 6027), (2009, 5961)]