256103397

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{277}}^1\times {\mathrm{283}}^1$

素因数の和:591

約数の個数: 48

約数和(自身を含む): 420024640

約数和(自身を除く): 163921243

約数列:

[1, 3, 9, 11, 27, 33, 99, 121, 277, 283, 297, 363, 831, 849, 1089, 2493, 2547, 3047, 3113, 3267, 7479, 7641, 9141, 9339, 27423, 28017, 33517, 34243, 78391, 82269, 84051, 100551, 102729, 235173, 301653, 308187, 705519, 862301, 904959, 924561, 2116557, 2586903, 7760709, 9485311, 23282127, 28455933, 85367799, 256103397]

約数ペア:

[(1, 256103397), (3, 85367799), (9, 28455933), (11, 23282127), (27, 9485311), (33, 7760709), (99, 2586903), (121, 2116557), (277, 924561), (283, 904959), (297, 862301), (363, 705519), (831, 308187), (849, 301653), (1089, 235173), (2493, 102729), (2547, 100551), (3047, 84051), (3113, 82269), (3267, 78391), (7479, 34243), (7641, 33517), (9141, 28017), (9339, 27423)]