219891387

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{709}}^1\times {\mathrm{1543}}^1$

素因数の和:2322

約数の個数: 16

約数和(自身を含む): 298177280

約数和(自身を除く): 78285893

約数列:

[1, 3, 67, 201, 709, 1543, 2127, 4629, 47503, 103381, 142509, 310143, 1093987, 3281961, 73297129, 219891387]

約数ペア:

[(1, 219891387), (3, 73297129), (67, 3281961), (201, 1093987), (709, 310143), (1543, 142509), (2127, 103381), (4629, 47503)]