219871179

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{246769}}^1$

素因数の和:246792

約数の個数: 20

約数和(自身を含む): 358310040

約数和(自身を除く): 138438861

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 246769, 740307, 2220921, 2714459, 6662763, 8143377, 19988289, 24430131, 73290393, 219871179]

約数ペア:

[(1, 219871179), (3, 73290393), (9, 24430131), (11, 19988289), (27, 8143377), (33, 6662763), (81, 2714459), (99, 2220921), (297, 740307), (891, 246769)]