25991049

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 15066231

約数列:

[1, 3, 7, 21, 43, 107, 129, 269, 301, 321, 749, 807, 903, 1883, 2247, 4601, 5649, 11567, 13803, 28783, 32207, 34701, 80969, 86349, 96621, 201481, 242907, 604443, 1237669, 3713007, 8663683, 25991049]

約数ペア:

[(1, 25991049), (3, 8663683), (7, 3713007), (21, 1237669), (43, 604443), (107, 242907), (129, 201481), (269, 96621), (301, 86349), (321, 80969), (749, 34701), (807, 32207), (903, 28783), (1883, 13803), (2247, 11567), (4601, 5649)]