28179915

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{45821}}^1$

素因数の和:45870

約数の個数: 16

約数和(自身を含む): 46188576

約数和(自身を除く): 18008661

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 45821, 137463, 229105, 687315, 1878661, 5635983, 9393305, 28179915]

約数ペア:

[(1, 28179915), (3, 9393305), (5, 5635983), (15, 1878661), (41, 687315), (123, 229105), (205, 137463), (615, 45821)]