25147143

素因数分解:

$3^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{449}}^1$

素因数の和:596

約数の個数: 36

約数和(自身を含む): 42681600

約数和(自身を除く): 17534457

約数列:

[1, 3, 7, 9, 21, 49, 63, 127, 147, 381, 441, 449, 889, 1143, 1347, 2667, 3143, 4041, 6223, 8001, 9429, 18669, 22001, 28287, 56007, 57023, 66003, 171069, 198009, 399161, 513207, 1197483, 2794127, 3592449, 8382381, 25147143]

約数ペア:

[(1, 25147143), (3, 8382381), (7, 3592449), (9, 2794127), (21, 1197483), (49, 513207), (63, 399161), (127, 198009), (147, 171069), (381, 66003), (441, 57023), (449, 56007), (889, 28287), (1143, 22001), (1347, 18669), (2667, 9429), (3143, 8001), (4041, 6223)]