54686427

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 79488000

約数和(自身を除く): 24801573

約数列:

[1, 3, 19, 47, 57, 137, 141, 149, 411, 447, 893, 2603, 2679, 2831, 6439, 7003, 7809, 8493, 19317, 20413, 21009, 61239, 122341, 133057, 367023, 387847, 399171, 959411, 1163541, 2878233, 18228809, 54686427]

約数ペア:

[(1, 54686427), (3, 18228809), (19, 2878233), (47, 1163541), (57, 959411), (137, 399171), (141, 387847), (149, 367023), (411, 133057), (447, 122341), (893, 61239), (2603, 21009), (2679, 20413), (2831, 19317), (6439, 8493), (7003, 7809)]