27455715

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2027}}^1$

素因数の和:2088

約数の個数: 48

約数和(自身を含む): 55680768

約数和(自身を除く): 28225053

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 215, 301, 315, 387, 645, 903, 1505, 1935, 2027, 2709, 4515, 6081, 10135, 13545, 14189, 18243, 30405, 42567, 70945, 87161, 91215, 127701, 212835, 261483, 435805, 610127, 638505, 784449, 1307415, 1830381, 3050635, 3922245, 5491143, 9151905, 27455715]

約数ペア:

[(1, 27455715), (3, 9151905), (5, 5491143), (7, 3922245), (9, 3050635), (15, 1830381), (21, 1307415), (35, 784449), (43, 638505), (45, 610127), (63, 435805), (105, 261483), (129, 212835), (215, 127701), (301, 91215), (315, 87161), (387, 70945), (645, 42567), (903, 30405), (1505, 18243), (1935, 14189), (2027, 13545), (2709, 10135), (4515, 6081)]