25287999

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 13032129

約数列:

[1, 3, 11, 33, 43, 71, 129, 213, 251, 473, 753, 781, 1419, 2343, 2761, 3053, 8283, 9159, 10793, 17821, 32379, 33583, 53463, 100749, 118723, 196031, 356169, 588093, 766303, 2298909, 8429333, 25287999]

約数ペア:

[(1, 25287999), (3, 8429333), (11, 2298909), (33, 766303), (43, 588093), (71, 356169), (129, 196031), (213, 118723), (251, 100749), (473, 53463), (753, 33583), (781, 32379), (1419, 17821), (2343, 10793), (2761, 9159), (3053, 8283)]