28048545

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{443}}^1$

素因数の和:531

約数の個数: 64

約数和(自身を含む): 57968640

約数和(自身を除く): 29920095

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 67, 105, 135, 189, 201, 315, 335, 443, 469, 603, 945, 1005, 1329, 1407, 1809, 2215, 2345, 3015, 3101, 3987, 4221, 6645, 7035, 9045, 9303, 11961, 12663, 15505, 19935, 21105, 27909, 29681, 46515, 59805, 63315, 83727, 89043, 139545, 148405, 207767, 267129, 418635, 445215, 623301, 801387, 1038835, 1335645, 1869903, 3116505, 4006935, 5609709, 9349515, 28048545]

約数ペア:

[(1, 28048545), (3, 9349515), (5, 5609709), (7, 4006935), (9, 3116505), (15, 1869903), (21, 1335645), (27, 1038835), (35, 801387), (45, 623301), (63, 445215), (67, 418635), (105, 267129), (135, 207767), (189, 148405), (201, 139545), (315, 89043), (335, 83727), (443, 63315), (469, 59805), (603, 46515), (945, 29681), (1005, 27909), (1329, 21105), (1407, 19935), (1809, 15505), (2215, 12663), (2345, 11961), (3015, 9303), (3101, 9045), (3987, 7035), (4221, 6645)]