25155669

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 43600896

約数和(自身を除く): 18445227

約数列:

[1, 3, 7, 11, 21, 33, 47, 49, 77, 141, 147, 231, 329, 331, 517, 539, 987, 993, 1551, 1617, 2303, 2317, 3619, 3641, 6909, 6951, 10857, 10923, 15557, 16219, 25333, 25487, 46671, 48657, 75999, 76461, 108899, 171127, 178409, 326697, 513381, 535227, 762293, 1197889, 2286879, 3593667, 8385223, 25155669]

約数ペア:

[(1, 25155669), (3, 8385223), (7, 3593667), (11, 2286879), (21, 1197889), (33, 762293), (47, 535227), (49, 513381), (77, 326697), (141, 178409), (147, 171127), (231, 108899), (329, 76461), (331, 75999), (517, 48657), (539, 46671), (987, 25487), (993, 25333), (1551, 16219), (1617, 15557), (2303, 10923), (2317, 10857), (3619, 6951), (3641, 6909)]