1666886985

素因数分解:

$3^3\times 5^1\times {\mathrm{12347311}}^1$

素因数の和:12347325

約数の個数: 16

約数和(自身を含む): 2963354880

約数和(自身を除く): 1296467895

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 12347311, 37041933, 61736555, 111125799, 185209665, 333377397, 555628995, 1666886985]

約数ペア:

[(1, 1666886985), (3, 555628995), (5, 333377397), (9, 185209665), (15, 111125799), (27, 61736555), (45, 37041933), (135, 12347311)]