2551261185

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{787}}^1$

素因数の和:908

約数の個数: 128

約数和(自身を含む): 5174323200

約数和(自身を除く): 2623062015

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 37, 45, 55, 59, 99, 111, 135, 165, 177, 185, 295, 297, 333, 407, 495, 531, 555, 649, 787, 885, 999, 1221, 1485, 1593, 1665, 1947, 2035, 2183, 2361, 2655, 3245, 3663, 3935, 4995, 5841, 6105, 6549, 7083, 7965, 8657, 9735, 10915, 10989, 11805, 17523, 18315, 19647, 21249, 24013, 25971, 29119, 29205, 32745, 35415, 43285, 46433, 54945, 58941, 72039, 77913, 87357, 87615, 98235, 106245, 120065, 129855, 139299, 145595, 216117, 232165, 233739, 262071, 294705, 320309, 360195, 389565, 417897, 436785, 510763, 648351, 696495, 786213, 960927, 1080585, 1168695, 1253691, 1310355, 1532289, 1601545, 1718021, 2089485, 2553815, 2882781, 3241755, 3931065, 4596867, 4804635, 5154063, 6268455, 7661445, 8590105, 8648343, 13790601, 14413905, 15462189, 18898231, 22984335, 25770315, 43241715, 46386567, 56694693, 68953005, 77310945, 94491155, 170084079, 231932835, 283473465, 510252237, 850420395, 2551261185]

約数ペア:

[(1, 2551261185), (3, 850420395), (5, 510252237), (9, 283473465), (11, 231932835), (15, 170084079), (27, 94491155), (33, 77310945), (37, 68953005), (45, 56694693), (55, 46386567), (59, 43241715), (99, 25770315), (111, 22984335), (135, 18898231), (165, 15462189), (177, 14413905), (185, 13790601), (295, 8648343), (297, 8590105), (333, 7661445), (407, 6268455), (495, 5154063), (531, 4804635), (555, 4596867), (649, 3931065), (787, 3241755), (885, 2882781), (999, 2553815), (1221, 2089485), (1485, 1718021), (1593, 1601545), (1665, 1532289), (1947, 1310355), (2035, 1253691), (2183, 1168695), (2361, 1080585), (2655, 960927), (3245, 786213), (3663, 696495), (3935, 648351), (4995, 510763), (5841, 436785), (6105, 417897), (6549, 389565), (7083, 360195), (7965, 320309), (8657, 294705), (9735, 262071), (10915, 233739), (10989, 232165), (11805, 216117), (17523, 145595), (18315, 139299), (19647, 129855), (21249, 120065), (24013, 106245), (25971, 98235), (29119, 87615), (29205, 87357), (32745, 77913), (35415, 72039), (43285, 58941), (46433, 54945)]