278310213

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{14323}}^1$

素因数の和:14473

約数の個数: 24

約数和(自身を含む): 429032448

約数和(自身を除く): 150722235

約数列:

[1, 3, 9, 17, 51, 127, 153, 381, 1143, 2159, 6477, 14323, 19431, 42969, 128907, 243491, 730473, 1819021, 2191419, 5457063, 16371189, 30923357, 92770071, 278310213]

約数ペア:

[(1, 278310213), (3, 92770071), (9, 30923357), (17, 16371189), (51, 5457063), (127, 2191419), (153, 1819021), (381, 730473), (1143, 243491), (2159, 128907), (6477, 42969), (14323, 19431)]