61781265

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:188

約数の個数: 128

約数和(自身を含む): 139345920

約数和(自身を除く): 77564655

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 47, 63, 65, 91, 105, 107, 117, 135, 141, 189, 195, 235, 273, 315, 321, 329, 351, 423, 455, 535, 585, 611, 705, 749, 819, 945, 963, 987, 1269, 1365, 1391, 1605, 1645, 1755, 1833, 2115, 2247, 2457, 2889, 2961, 3055, 3745, 4095, 4173, 4277, 4815, 4935, 5029, 5499, 6345, 6741, 6955, 8883, 9165, 9737, 11235, 12285, 12519, 12831, 14445, 14805, 15087, 16497, 20223, 20865, 21385, 25145, 27495, 29211, 33705, 35203, 37557, 38493, 44415, 45261, 48685, 62595, 64155, 65377, 75435, 82485, 87633, 101115, 105609, 115479, 135783, 146055, 176015, 187785, 192465, 196131, 226305, 262899, 316827, 326885, 438165, 457639, 528045, 577395, 588393, 678915, 950481, 980655, 1314495, 1372917, 1584135, 1765179, 2288195, 2941965, 4118751, 4752405, 6864585, 8825895, 12356253, 20593755, 61781265]

約数ペア:

[(1, 61781265), (3, 20593755), (5, 12356253), (7, 8825895), (9, 6864585), (13, 4752405), (15, 4118751), (21, 2941965), (27, 2288195), (35, 1765179), (39, 1584135), (45, 1372917), (47, 1314495), (63, 980655), (65, 950481), (91, 678915), (105, 588393), (107, 577395), (117, 528045), (135, 457639), (141, 438165), (189, 326885), (195, 316827), (235, 262899), (273, 226305), (315, 196131), (321, 192465), (329, 187785), (351, 176015), (423, 146055), (455, 135783), (535, 115479), (585, 105609), (611, 101115), (705, 87633), (749, 82485), (819, 75435), (945, 65377), (963, 64155), (987, 62595), (1269, 48685), (1365, 45261), (1391, 44415), (1605, 38493), (1645, 37557), (1755, 35203), (1833, 33705), (2115, 29211), (2247, 27495), (2457, 25145), (2889, 21385), (2961, 20865), (3055, 20223), (3745, 16497), (4095, 15087), (4173, 14805), (4277, 14445), (4815, 12831), (4935, 12519), (5029, 12285), (5499, 11235), (6345, 9737), (6741, 9165), (6955, 8883)]