31528959

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3329}}^1$

素因数の和:3391

約数の個数: 32

約数和(自身を含む): 53706240

約数和(自身を除く): 22177281

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 231, 287, 451, 861, 1353, 3157, 3329, 9471, 9987, 23303, 36619, 69909, 109857, 136489, 256333, 409467, 768999, 955423, 1501379, 2866269, 4504137, 10509653, 31528959]

約数ペア:

[(1, 31528959), (3, 10509653), (7, 4504137), (11, 2866269), (21, 1501379), (33, 955423), (41, 768999), (77, 409467), (123, 256333), (231, 136489), (287, 109857), (451, 69909), (861, 36619), (1353, 23303), (3157, 9987), (3329, 9471)]