1287414891

素因数分解:

$3^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{42841}}^1$

素因数の和:42913

約数の個数: 40

約数和(自身を含む): 2239437024

約数和(自身を除く): 952022133

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 81, 159, 189, 371, 477, 567, 1113, 1431, 3339, 4293, 10017, 30051, 42841, 128523, 299887, 385569, 899661, 1156707, 2270573, 2698983, 3470121, 6811719, 8096949, 15894011, 20435157, 24290847, 47682033, 61305471, 143046099, 183916413, 429138297, 1287414891]

約数ペア:

[(1, 1287414891), (3, 429138297), (7, 183916413), (9, 143046099), (21, 61305471), (27, 47682033), (53, 24290847), (63, 20435157), (81, 15894011), (159, 8096949), (189, 6811719), (371, 3470121), (477, 2698983), (567, 2270573), (1113, 1156707), (1431, 899661), (3339, 385569), (4293, 299887), (10017, 128523), (30051, 42841)]