239487651

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1493}}^1$

素因数の和:1972

約数の個数: 32

約数和(自身を含む): 383181120

約数和(自身を除く): 143693469

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 457, 1371, 1493, 4113, 4479, 5941, 12339, 13437, 17823, 19409, 40311, 53469, 58227, 160407, 174681, 524043, 682301, 2046903, 6140709, 8869913, 18422127, 26609739, 79829217, 239487651]

約数ペア:

[(1, 239487651), (3, 79829217), (9, 26609739), (13, 18422127), (27, 8869913), (39, 6140709), (117, 2046903), (351, 682301), (457, 524043), (1371, 174681), (1493, 160407), (4113, 58227), (4479, 53469), (5941, 40311), (12339, 19409), (13437, 17823)]