51541281

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 89631360

約数和(自身を除く): 38090079

約数列:

[1, 3, 9, 11, 19, 33, 47, 53, 57, 99, 121, 141, 159, 171, 209, 363, 423, 477, 517, 583, 627, 893, 1007, 1089, 1551, 1749, 1881, 2299, 2491, 2679, 3021, 4653, 5247, 5687, 6413, 6897, 7473, 8037, 9063, 9823, 11077, 17061, 19239, 20691, 22419, 27401, 29469, 33231, 47329, 51183, 57717, 82203, 88407, 99693, 108053, 121847, 141987, 246609, 301411, 324159, 365541, 425961, 520619, 904233, 972477, 1096623, 1561857, 2712699, 4685571, 5726809, 17180427, 51541281]

約数ペア:

[(1, 51541281), (3, 17180427), (9, 5726809), (11, 4685571), (19, 2712699), (33, 1561857), (47, 1096623), (53, 972477), (57, 904233), (99, 520619), (121, 425961), (141, 365541), (159, 324159), (171, 301411), (209, 246609), (363, 141987), (423, 121847), (477, 108053), (517, 99693), (583, 88407), (627, 82203), (893, 57717), (1007, 51183), (1089, 47329), (1551, 33231), (1749, 29469), (1881, 27401), (2299, 22419), (2491, 20691), (2679, 19239), (3021, 17061), (4653, 11077), (5247, 9823), (5687, 9063), (6413, 8037), (6897, 7473)]