219550257

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{53147}}^1$

素因数の和:53179

約数の個数: 24

約数和(自身を含む): 348225696

約数和(自身を除く): 128675439

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 53147, 159441, 478323, 903499, 1434969, 2710497, 4304907, 8131491, 12914721, 24394473, 73183419, 219550257]

約数ペア:

[(1, 219550257), (3, 73183419), (9, 24394473), (17, 12914721), (27, 8131491), (51, 4304907), (81, 2710497), (153, 1434969), (243, 903499), (459, 478323), (1377, 159441), (4131, 53147)]