254564877

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1\times {\mathrm{587}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 394232832

約数和(自身を除く): 139667955

約数列:

[1, 3, 7, 21, 107, 193, 321, 579, 587, 749, 1351, 1761, 2247, 4053, 4109, 12327, 20651, 61953, 62809, 113291, 144557, 188427, 339873, 433671, 439663, 793037, 1318989, 2379111, 12122137, 36366411, 84854959, 254564877]

約数ペア:

[(1, 254564877), (3, 84854959), (7, 36366411), (21, 12122137), (107, 2379111), (193, 1318989), (321, 793037), (579, 439663), (587, 433671), (749, 339873), (1351, 188427), (1761, 144557), (2247, 113291), (4053, 62809), (4109, 61953), (12327, 20651)]