260889615

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{828221}}^1$

素因数の和:828239

約数の個数: 24

約数和(自身を含む): 516810528

約数和(自身を除く): 255920913

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 828221, 2484663, 4141105, 5797547, 7453989, 12423315, 17392641, 28987735, 37269945, 52177923, 86963205, 260889615]

約数ペア:

[(1, 260889615), (3, 86963205), (5, 52177923), (7, 37269945), (9, 28987735), (15, 17392641), (21, 12423315), (35, 7453989), (45, 5797547), (63, 4141105), (105, 2484663), (315, 828221)]