256262013

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{14173}}^1$

素因数の和:14234

約数の個数: 36

約数和(自身を含む): 441123228

約数和(自身を除く): 184861215

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 861, 2009, 2583, 6027, 14173, 18081, 42519, 99211, 127557, 297633, 581093, 694477, 892899, 1743279, 2083431, 4067651, 5229837, 6250293, 12202953, 28473557, 36608859, 85420671, 256262013]

約数ペア:

[(1, 256262013), (3, 85420671), (7, 36608859), (9, 28473557), (21, 12202953), (41, 6250293), (49, 5229837), (63, 4067651), (123, 2083431), (147, 1743279), (287, 892899), (369, 694477), (441, 581093), (861, 297633), (2009, 127557), (2583, 99211), (6027, 42519), (14173, 18081)]