28290615

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 46823616

約数和(自身を除く): 18533001

約数列:

[1, 3, 5, 15, 41, 123, 157, 205, 293, 471, 615, 785, 879, 1465, 2355, 4395, 6437, 12013, 19311, 32185, 36039, 46001, 60065, 96555, 138003, 180195, 230005, 690015, 1886041, 5658123, 9430205, 28290615]

約数ペア:

[(1, 28290615), (3, 9430205), (5, 5658123), (15, 1886041), (41, 690015), (123, 230005), (157, 180195), (205, 138003), (293, 96555), (471, 60065), (615, 46001), (785, 36039), (879, 32185), (1465, 19311), (2355, 12013), (4395, 6437)]