780377247

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 1320883200

約数和(自身を除く): 540505953

約数列:

[1, 3, 9, 13, 27, 39, 53, 59, 79, 81, 117, 159, 177, 237, 243, 351, 477, 531, 689, 711, 767, 1027, 1053, 1431, 1593, 2067, 2133, 2301, 3081, 3127, 3159, 4187, 4293, 4661, 4779, 6201, 6399, 6903, 9243, 9381, 12561, 12879, 13983, 14337, 18603, 19197, 20709, 27729, 28143, 37683, 40651, 41949, 54431, 55809, 60593, 62127, 83187, 84429, 113049, 121953, 125847, 163293, 167427, 181779, 186381, 247033, 249561, 253287, 339147, 365859, 377541, 489879, 545337, 741099, 759861, 1017441, 1097577, 1132623, 1469637, 1636011, 2223297, 3211429, 3292731, 4408911, 4908033, 6669891, 9634287, 9878193, 13226733, 14724099, 20009673, 28902861, 60029019, 86708583, 260125749, 780377247]

約数ペア:

[(1, 780377247), (3, 260125749), (9, 86708583), (13, 60029019), (27, 28902861), (39, 20009673), (53, 14724099), (59, 13226733), (79, 9878193), (81, 9634287), (117, 6669891), (159, 4908033), (177, 4408911), (237, 3292731), (243, 3211429), (351, 2223297), (477, 1636011), (531, 1469637), (689, 1132623), (711, 1097577), (767, 1017441), (1027, 759861), (1053, 741099), (1431, 545337), (1593, 489879), (2067, 377541), (2133, 365859), (2301, 339147), (3081, 253287), (3127, 249561), (3159, 247033), (4187, 186381), (4293, 181779), (4661, 167427), (4779, 163293), (6201, 125847), (6399, 121953), (6903, 113049), (9243, 84429), (9381, 83187), (12561, 62127), (12879, 60593), (13983, 55809), (14337, 54431), (18603, 41949), (19197, 40651), (20709, 37683), (27729, 28143)]