18041709

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 29465856

約数和(自身を除く): 11424147

約数列:

[1, 3, 7, 17, 21, 51, 97, 119, 291, 357, 521, 679, 1563, 1649, 2037, 3647, 4947, 8857, 10941, 11543, 26571, 34629, 50537, 61999, 151611, 185997, 353759, 859129, 1061277, 2577387, 6013903, 18041709]

約数ペア:

[(1, 18041709), (3, 6013903), (7, 2577387), (17, 1061277), (21, 859129), (51, 353759), (97, 185997), (119, 151611), (291, 61999), (357, 50537), (521, 34629), (679, 26571), (1563, 11543), (1649, 10941), (2037, 8857), (3647, 4947)]