38121951

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 62519424

約数和(自身を除く): 24397473

約数列:

[1, 3, 7, 21, 37, 43, 49, 111, 129, 147, 163, 259, 301, 489, 777, 903, 1141, 1591, 1813, 2107, 3423, 4773, 5439, 6031, 6321, 7009, 7987, 11137, 18093, 21027, 23961, 33411, 42217, 49063, 77959, 126651, 147189, 233877, 259333, 295519, 343441, 777999, 886557, 1030323, 1815331, 5445993, 12707317, 38121951]

約数ペア:

[(1, 38121951), (3, 12707317), (7, 5445993), (21, 1815331), (37, 1030323), (43, 886557), (49, 777999), (111, 343441), (129, 295519), (147, 259333), (163, 233877), (259, 147189), (301, 126651), (489, 77959), (777, 49063), (903, 42217), (1141, 33411), (1591, 23961), (1813, 21027), (2107, 18093), (3423, 11137), (4773, 7987), (5439, 7009), (6031, 6321)]