81101475

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 190112832

約数和(自身を除く): 109011357

約数列:

[1, 3, 5, 7, 9, 13, 15, 17, 21, 25, 35, 39, 45, 51, 63, 65, 75, 85, 91, 105, 117, 119, 153, 175, 195, 221, 225, 233, 255, 273, 315, 325, 357, 425, 455, 525, 585, 595, 663, 699, 765, 819, 975, 1071, 1105, 1165, 1275, 1365, 1547, 1575, 1631, 1785, 1989, 2097, 2275, 2925, 2975, 3029, 3315, 3495, 3825, 3961, 4095, 4641, 4893, 5355, 5525, 5825, 6825, 7735, 8155, 8925, 9087, 9945, 10485, 11883, 13923, 14679, 15145, 16575, 17475, 19805, 20475, 21203, 23205, 24465, 26775, 27261, 27727, 35649, 38675, 40775, 45435, 49725, 51493, 52425, 59415, 63609, 69615, 73395, 75725, 83181, 99025, 106015, 116025, 122325, 136305, 138635, 154479, 178245, 190827, 227175, 249543, 257465, 297075, 318045, 348075, 360451, 366975, 415905, 463437, 530075, 681525, 693175, 772395, 891225, 954135, 1081353, 1247715, 1287325, 1590225, 1802255, 2079525, 2317185, 3244059, 3861975, 4770675, 5406765, 6238575, 9011275, 11585925, 16220295, 27033825, 81101475]

約数ペア:

[(1, 81101475), (3, 27033825), (5, 16220295), (7, 11585925), (9, 9011275), (13, 6238575), (15, 5406765), (17, 4770675), (21, 3861975), (25, 3244059), (35, 2317185), (39, 2079525), (45, 1802255), (51, 1590225), (63, 1287325), (65, 1247715), (75, 1081353), (85, 954135), (91, 891225), (105, 772395), (117, 693175), (119, 681525), (153, 530075), (175, 463437), (195, 415905), (221, 366975), (225, 360451), (233, 348075), (255, 318045), (273, 297075), (315, 257465), (325, 249543), (357, 227175), (425, 190827), (455, 178245), (525, 154479), (585, 138635), (595, 136305), (663, 122325), (699, 116025), (765, 106015), (819, 99025), (975, 83181), (1071, 75725), (1105, 73395), (1165, 69615), (1275, 63609), (1365, 59415), (1547, 52425), (1575, 51493), (1631, 49725), (1785, 45435), (1989, 40775), (2097, 38675), (2275, 35649), (2925, 27727), (2975, 27261), (3029, 26775), (3315, 24465), (3495, 23205), (3825, 21203), (3961, 20475), (4095, 19805), (4641, 17475), (4893, 16575), (5355, 15145), (5525, 14679), (5825, 13923), (6825, 11883), (7735, 10485), (8155, 9945), (8925, 9087)]