28458297

素因数分解:

$3^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{947}}^1$

素因数の和:1019

約数の個数: 40

約数和(自身を含む): 49553856

約数和(自身を除く): 21095559

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 81, 159, 189, 371, 477, 567, 947, 1113, 1431, 2841, 3339, 4293, 6629, 8523, 10017, 19887, 25569, 30051, 50191, 59661, 76707, 150573, 178983, 351337, 451719, 536949, 1054011, 1355157, 3162033, 4065471, 9486099, 28458297]

約数ペア:

[(1, 28458297), (3, 9486099), (7, 4065471), (9, 3162033), (21, 1355157), (27, 1054011), (53, 536949), (63, 451719), (81, 351337), (159, 178983), (189, 150573), (371, 76707), (477, 59661), (567, 50191), (947, 30051), (1113, 25569), (1431, 19887), (2841, 10017), (3339, 8523), (4293, 6629)]