205731009

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3163}}^1$

素因数の和:3259

約数の個数: 40

約数和(自身を含む): 339965472

約数和(自身を除く): 134234463

約数列:

[1, 3, 9, 11, 27, 33, 73, 81, 99, 219, 297, 657, 803, 891, 1971, 2409, 3163, 5913, 7227, 9489, 21681, 28467, 34793, 65043, 85401, 104379, 230899, 256203, 313137, 692697, 939411, 2078091, 2539889, 2818233, 6234273, 7619667, 18702819, 22859001, 68577003, 205731009]

約数ペア:

[(1, 205731009), (3, 68577003), (9, 22859001), (11, 18702819), (27, 7619667), (33, 6234273), (73, 2818233), (81, 2539889), (99, 2078091), (219, 939411), (297, 692697), (657, 313137), (803, 256203), (891, 230899), (1971, 104379), (2409, 85401), (3163, 65043), (5913, 34793), (7227, 28467), (9489, 21681)]