28909629

素因数分解:

$3^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{761}}^1$

素因数の和:847

約数の個数: 40

約数和(自身を含む): 50157888

約数和(自身を除く): 21248259

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 81, 189, 201, 469, 567, 603, 761, 1407, 1809, 2283, 4221, 5327, 5427, 6849, 12663, 15981, 20547, 37989, 47943, 50987, 61641, 143829, 152961, 356909, 431487, 458883, 1070727, 1376649, 3212181, 4129947, 9636543, 28909629]

約数ペア:

[(1, 28909629), (3, 9636543), (7, 4129947), (9, 3212181), (21, 1376649), (27, 1070727), (63, 458883), (67, 431487), (81, 356909), (189, 152961), (201, 143829), (469, 61641), (567, 50987), (603, 47943), (761, 37989), (1407, 20547), (1809, 15981), (2283, 12663), (4221, 6849), (5327, 5427)]