209938449

素因数分解:

$3^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{21407}}^1$

素因数の和:21884

約数の個数: 16

約数和(自身を含む): 320606208

約数和(自身を除く): 110667759

約数列:

[1, 3, 7, 21, 467, 1401, 3269, 9807, 21407, 64221, 149849, 449547, 9997069, 29991207, 69979483, 209938449]

約数ペア:

[(1, 209938449), (3, 69979483), (7, 29991207), (21, 9997069), (467, 449547), (1401, 149849), (3269, 64221), (9807, 21407)]