27978006

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{666143}}^1$

素因数の和:666155

約数の個数: 16

約数和(自身を含む): 63949824

約数和(自身を除く): 35971818

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 666143, 1332286, 1998429, 3996858, 4663001, 9326002, 13989003, 27978006]

約数ペア:

[(1, 27978006), (2, 13989003), (3, 9326002), (6, 4663001), (7, 3996858), (14, 1998429), (21, 1332286), (42, 666143)]