17964009

素因数分解:

$3^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{911}}^1$

素因数の和:1237

約数の個数: 24

約数和(自身を含む): 29782272

約数和(自身を除く): 11818263

約数列:

[1, 3, 7, 9, 21, 63, 313, 911, 939, 2191, 2733, 2817, 6377, 6573, 8199, 19131, 19719, 57393, 285143, 855429, 1996001, 2566287, 5988003, 17964009]

約数ペア:

[(1, 17964009), (3, 5988003), (7, 2566287), (9, 1996001), (21, 855429), (63, 285143), (313, 57393), (911, 19719), (939, 19131), (2191, 8199), (2733, 6573), (2817, 6377)]