28866537

素因数分解:

$3^4\times 7^3\times {\mathrm{1039}}^1$

素因数の和:1072

約数の個数: 40

約数和(自身を含む): 50336000

約数和(自身を除く): 21469463

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 343, 441, 567, 1029, 1039, 1323, 3087, 3117, 3969, 7273, 9261, 9351, 21819, 27783, 28053, 50911, 65457, 84159, 152733, 196371, 356377, 458199, 589113, 1069131, 1374597, 3207393, 4123791, 9622179, 28866537]

約数ペア:

[(1, 28866537), (3, 9622179), (7, 4123791), (9, 3207393), (21, 1374597), (27, 1069131), (49, 589113), (63, 458199), (81, 356377), (147, 196371), (189, 152733), (343, 84159), (441, 65457), (567, 50911), (1029, 28053), (1039, 27783), (1323, 21819), (3087, 9351), (3117, 9261), (3969, 7273)]