1317405

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1237}}^1$

素因数の和:1316

約数の個数: 16

約数和(自身を含む): 2139264

約数和(自身を除く): 821859

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 1237, 3711, 6185, 18555, 87827, 263481, 439135, 1317405]

約数ペア:

[(1, 1317405), (3, 439135), (5, 263481), (15, 87827), (71, 18555), (213, 6185), (355, 3711), (1065, 1237)]