28723905

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1361}}^1$

素因数の和:1446

約数の個数: 48

約数和(自身を含む): 57792384

約数和(自身を除く): 29068479

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 67, 105, 201, 315, 335, 469, 603, 1005, 1361, 1407, 2345, 3015, 4083, 4221, 6805, 7035, 9527, 12249, 20415, 21105, 28581, 47635, 61245, 85743, 91187, 142905, 273561, 428715, 455935, 638309, 820683, 1367805, 1914927, 3191545, 4103415, 5744781, 9574635, 28723905]

約数ペア:

[(1, 28723905), (3, 9574635), (5, 5744781), (7, 4103415), (9, 3191545), (15, 1914927), (21, 1367805), (35, 820683), (45, 638309), (63, 455935), (67, 428715), (105, 273561), (201, 142905), (315, 91187), (335, 85743), (469, 61245), (603, 47635), (1005, 28581), (1361, 21105), (1407, 20415), (2345, 12249), (3015, 9527), (4083, 7035), (4221, 6805)]