12915777

素因数分解:

$3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1427}}^1$

素因数の和:1868

約数の個数: 16

約数和(自身を含む): 19740672

約数和(自身を除く): 6824895

約数列:

[1, 3, 7, 21, 431, 1293, 1427, 3017, 4281, 9051, 9989, 29967, 615037, 1845111, 4305259, 12915777]

約数ペア:

[(1, 12915777), (3, 4305259), (7, 1845111), (21, 615037), (431, 29967), (1293, 9989), (1427, 9051), (3017, 4281)]