172999071

素因数分解:

$3^4\times 7^1\times {\mathrm{305113}}^1$

素因数の和:305132

約数の個数: 20

約数和(自身を含む): 295350352

約数和(自身を除く): 122351281

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 305113, 915339, 2135791, 2746017, 6407373, 8238051, 19222119, 24714153, 57666357, 172999071]

約数ペア:

[(1, 172999071), (3, 57666357), (7, 24714153), (9, 19222119), (21, 8238051), (27, 6407373), (63, 2746017), (81, 2135791), (189, 915339), (567, 305113)]