12798915

素因数分解:

$3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1327}}^1$

素因数の和:1978

約数の個数: 16

約数和(自身を含む): 20525568

約数和(自身を除く): 7726653

約数列:

[1, 3, 5, 15, 643, 1327, 1929, 3215, 3981, 6635, 9645, 19905, 853261, 2559783, 4266305, 12798915]

約数ペア:

[(1, 12798915), (3, 4266305), (5, 2559783), (15, 853261), (643, 19905), (1327, 9645), (1929, 6635), (3215, 3981)]