1321557

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:312

約数の個数: 16

約数和(自身を含む): 1866240

約数和(自身を除く): 544683

約数列:

[1, 3, 23, 69, 107, 179, 321, 537, 2461, 4117, 7383, 12351, 19153, 57459, 440519, 1321557]

約数ペア:

[(1, 1321557), (3, 440519), (23, 57459), (69, 19153), (107, 12351), (179, 7383), (321, 4117), (537, 2461)]