15780149

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{919}}^1$

素因数の和:1160

約数の個数: 16

約数和(自身を含む): 19783680

約数和(自身を除く): 4003531

約数列:

[1, 7, 11, 77, 223, 919, 1561, 2453, 6433, 10109, 17171, 70763, 204937, 1434559, 2254307, 15780149]

約数ペア:

[(1, 15780149), (7, 2254307), (11, 1434559), (77, 204937), (223, 70763), (919, 17171), (1561, 10109), (2453, 6433)]