247488717

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{16529}}^1$

素因数の和:16593

約数の個数: 32

約数和(自身を含む): 406241280

約数和(自身を除く): 158752563

約数列:

[1, 3, 7, 21, 23, 31, 69, 93, 161, 217, 483, 651, 713, 2139, 4991, 14973, 16529, 49587, 115703, 347109, 380167, 512399, 1140501, 1537197, 2661169, 3586793, 7983507, 10760379, 11785177, 35355531, 82496239, 247488717]

約数ペア:

[(1, 247488717), (3, 82496239), (7, 35355531), (21, 11785177), (23, 10760379), (31, 7983507), (69, 3586793), (93, 2661169), (161, 1537197), (217, 1140501), (483, 512399), (651, 380167), (713, 347109), (2139, 115703), (4991, 49587), (14973, 16529)]