13430391

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 20901888

約数和(自身を除く): 7471497

約数列:

[1, 3, 13, 17, 39, 47, 51, 141, 221, 431, 611, 663, 799, 1293, 1833, 2397, 5603, 7327, 10387, 16809, 20257, 21981, 31161, 60771, 95251, 263341, 285753, 344369, 790023, 1033107, 4476797, 13430391]

約数ペア:

[(1, 13430391), (3, 4476797), (13, 1033107), (17, 790023), (39, 344369), (47, 285753), (51, 263341), (141, 95251), (221, 60771), (431, 31161), (611, 21981), (663, 20257), (799, 16809), (1293, 10387), (1833, 7327), (2397, 5603)]