247054293

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{132611}}^1$

素因数の和:132646

約数の個数: 20

約数和(自身を含む): 385105248

約数和(自身を除く): 138050955

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 132611, 397833, 1193499, 3050053, 3580497, 9150159, 10741491, 27450477, 82351431, 247054293]

約数ペア:

[(1, 247054293), (3, 82351431), (9, 27450477), (23, 10741491), (27, 9150159), (69, 3580497), (81, 3050053), (207, 1193499), (621, 397833), (1863, 132611)]