28757673

素因数分解:

$3^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{757}}^1$

素因数の和:843

約数の個数: 40

約数和(自身を含む): 49894592

約数和(自身を除く): 21136919

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 81, 189, 201, 469, 567, 603, 757, 1407, 1809, 2271, 4221, 5299, 5427, 6813, 12663, 15897, 20439, 37989, 47691, 50719, 61317, 143073, 152157, 355033, 429219, 456471, 1065099, 1369413, 3195297, 4108239, 9585891, 28757673]

約数ペア:

[(1, 28757673), (3, 9585891), (7, 4108239), (9, 3195297), (21, 1369413), (27, 1065099), (63, 456471), (67, 429219), (81, 355033), (189, 152157), (201, 143073), (469, 61317), (567, 50719), (603, 47691), (757, 37989), (1407, 20439), (1809, 15897), (2271, 12663), (4221, 6813), (5299, 5427)]