128245005

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{19387}}^1$

素因数の和:19415

約数の個数: 48

約数和(自身を含む): 265227840

約数和(自身を除く): 136982835

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 6615, 19387, 58161, 96935, 135709, 174483, 290805, 407127, 523449, 678545, 872415, 949963, 1221381, 2035635, 2617245, 2849889, 3664143, 4749815, 6106905, 8549667, 14249445, 18320715, 25649001, 42748335, 128245005]

約数ペア:

[(1, 128245005), (3, 42748335), (5, 25649001), (7, 18320715), (9, 14249445), (15, 8549667), (21, 6106905), (27, 4749815), (35, 3664143), (45, 2849889), (49, 2617245), (63, 2035635), (105, 1221381), (135, 949963), (147, 872415), (189, 678545), (245, 523449), (315, 407127), (441, 290805), (735, 174483), (945, 135709), (1323, 96935), (2205, 58161), (6615, 19387)]