13071681

素因数分解:

$3^2\times 7^2\times {\mathrm{29641}}^1$

素因数の和:29661

約数の個数: 18

約数和(自身を含む): 21964722

約数和(自身を除く): 8893041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 29641, 88923, 207487, 266769, 622461, 1452409, 1867383, 4357227, 13071681]

約数ペア:

[(1, 13071681), (3, 4357227), (7, 1867383), (9, 1452409), (21, 622461), (49, 266769), (63, 207487), (147, 88923), (441, 29641)]