42681387

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{337}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 67405312

約数和(自身を除く): 24723925

約数列:

[1, 3, 7, 21, 37, 111, 163, 259, 337, 489, 777, 1011, 1141, 2359, 3423, 6031, 7077, 12469, 18093, 37407, 42217, 54931, 87283, 126651, 164793, 261849, 384517, 1153551, 2032447, 6097341, 14227129, 42681387]

約数ペア:

[(1, 42681387), (3, 14227129), (7, 6097341), (21, 2032447), (37, 1153551), (111, 384517), (163, 261849), (259, 164793), (337, 126651), (489, 87283), (777, 54931), (1011, 42217), (1141, 37407), (2359, 18093), (3423, 12469), (6031, 7077)]