90407871

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 145367040

約数和(自身を除く): 54959169

約数列:

[1, 3, 9, 19, 23, 57, 69, 127, 171, 181, 207, 381, 437, 543, 1143, 1311, 1629, 2413, 2921, 3439, 3933, 4163, 7239, 8763, 10317, 12489, 21717, 22987, 26289, 30951, 37467, 55499, 68961, 79097, 166497, 206883, 237291, 436753, 499491, 528701, 711873, 1310259, 1586103, 3930777, 4758309, 10045319, 30135957, 90407871]

約数ペア:

[(1, 90407871), (3, 30135957), (9, 10045319), (19, 4758309), (23, 3930777), (57, 1586103), (69, 1310259), (127, 711873), (171, 528701), (181, 499491), (207, 436753), (381, 237291), (437, 206883), (543, 166497), (1143, 79097), (1311, 68961), (1629, 55499), (2413, 37467), (2921, 30951), (3439, 26289), (3933, 22987), (4163, 21717), (7239, 12489), (8763, 10317)]