28136115

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{499}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 56160000

約数和(自身を除く): 28023885

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 179, 315, 499, 537, 895, 1253, 1497, 1611, 2495, 2685, 3493, 3759, 4491, 6265, 7485, 8055, 10479, 11277, 17465, 18795, 22455, 31437, 52395, 56385, 89321, 157185, 267963, 446605, 625247, 803889, 1339815, 1875741, 3126235, 4019445, 5627223, 9378705, 28136115]

約数ペア:

[(1, 28136115), (3, 9378705), (5, 5627223), (7, 4019445), (9, 3126235), (15, 1875741), (21, 1339815), (35, 803889), (45, 625247), (63, 446605), (105, 267963), (179, 157185), (315, 89321), (499, 56385), (537, 52395), (895, 31437), (1253, 22455), (1497, 18795), (1611, 17465), (2495, 11277), (2685, 10479), (3493, 8055), (3759, 7485), (4491, 6265)]