245156949

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{178037}}^1$

素因数の和:178066

約数の個数: 20

約数和(自身を含む): 387766764

約数和(自身を除く): 142609815

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 178037, 534111, 1602333, 3026629, 4806999, 9079887, 14420997, 27239661, 81718983, 245156949]

約数ペア:

[(1, 245156949), (3, 81718983), (9, 27239661), (17, 14420997), (27, 9079887), (51, 4806999), (81, 3026629), (153, 1602333), (459, 534111), (1377, 178037)]