220729103

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1\times {\mathrm{787}}^1$

素因数の和:1286

約数の個数: 16

約数和(自身を含む): 255690240

約数和(自身を除く): 34961137

約数列:

[1, 7, 103, 389, 721, 787, 2723, 5509, 40067, 81061, 280469, 306143, 567427, 2143001, 31532729, 220729103]

約数ペア:

[(1, 220729103), (7, 31532729), (103, 2143001), (389, 567427), (721, 306143), (787, 280469), (2723, 81061), (5509, 40067)]