2019919275

素因数分解:

$3^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 4140235008

約数和(自身を除く): 2120315733

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 81, 99, 135, 165, 167, 181, 225, 243, 275, 297, 405, 495, 501, 543, 675, 825, 835, 891, 905, 1215, 1485, 1503, 1629, 1837, 1991, 2025, 2475, 2505, 2673, 2715, 4175, 4455, 4509, 4525, 4887, 5511, 5973, 6075, 7425, 7515, 8145, 9185, 9955, 12525, 13365, 13527, 13575, 14661, 16533, 17919, 22275, 22545, 24435, 27555, 29865, 30227, 37575, 40581, 40725, 43983, 45925, 49599, 49775, 53757, 66825, 67635, 73305, 82665, 89595, 90681, 112725, 122175, 137775, 148797, 149325, 151135, 161271, 202905, 219915, 247995, 268785, 272043, 332497, 338175, 366525, 413325, 446391, 447975, 453405, 483813, 743985, 755675, 806355, 816129, 997491, 1014525, 1099575, 1239975, 1343925, 1360215, 1662485, 2231955, 2267025, 2419065, 2448387, 2992473, 3719925, 4031775, 4080645, 4987455, 6801075, 7345161, 8312425, 8977419, 11159775, 12095325, 12241935, 14962365, 20403225, 24937275, 26932257, 36725805, 44887095, 61209675, 74811825, 80796771, 134661285, 183629025, 224435475, 403983855, 673306425, 2019919275]

約数ペア:

[(1, 2019919275), (3, 673306425), (5, 403983855), (9, 224435475), (11, 183629025), (15, 134661285), (25, 80796771), (27, 74811825), (33, 61209675), (45, 44887095), (55, 36725805), (75, 26932257), (81, 24937275), (99, 20403225), (135, 14962365), (165, 12241935), (167, 12095325), (181, 11159775), (225, 8977419), (243, 8312425), (275, 7345161), (297, 6801075), (405, 4987455), (495, 4080645), (501, 4031775), (543, 3719925), (675, 2992473), (825, 2448387), (835, 2419065), (891, 2267025), (905, 2231955), (1215, 1662485), (1485, 1360215), (1503, 1343925), (1629, 1239975), (1837, 1099575), (1991, 1014525), (2025, 997491), (2475, 816129), (2505, 806355), (2673, 755675), (2715, 743985), (4175, 483813), (4455, 453405), (4509, 447975), (4525, 446391), (4887, 413325), (5511, 366525), (5973, 338175), (6075, 332497), (7425, 272043), (7515, 268785), (8145, 247995), (9185, 219915), (9955, 202905), (12525, 161271), (13365, 151135), (13527, 149325), (13575, 148797), (14661, 137775), (16533, 122175), (17919, 112725), (22275, 90681), (22545, 89595), (24435, 82665), (27555, 73305), (29865, 67635), (30227, 66825), (37575, 53757), (40581, 49775), (40725, 49599), (43983, 45925)]