28677621

素因数分解:

$3^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{4391}}^1$

素因数の和:4712

約数の個数: 16

約数和(自身を含む): 43849728

約数和(自身を除く): 15172107

約数列:

[1, 3, 7, 21, 311, 933, 2177, 4391, 6531, 13173, 30737, 92211, 1365601, 4096803, 9559207, 28677621]

約数ペア:

[(1, 28677621), (3, 9559207), (7, 4096803), (21, 1365601), (311, 92211), (933, 30737), (2177, 13173), (4391, 6531)]