15985998

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:188

約数の個数: 96

約数和(自身を含む): 42491904

約数和(自身を除く): 26505906

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 74, 81, 111, 126, 127, 162, 189, 222, 243, 254, 259, 333, 378, 381, 486, 518, 567, 666, 762, 777, 889, 999, 1134, 1143, 1554, 1701, 1778, 1998, 2286, 2331, 2667, 2997, 3402, 3429, 4662, 4699, 5334, 5994, 6858, 6993, 8001, 8991, 9398, 10287, 13986, 14097, 16002, 17982, 20574, 20979, 24003, 28194, 30861, 32893, 41958, 42291, 48006, 61722, 62937, 65786, 72009, 84582, 98679, 125874, 126873, 144018, 197358, 216027, 253746, 296037, 380619, 432054, 592074, 761238, 888111, 1141857, 1776222, 2283714, 2664333, 5328666, 7992999, 15985998]

約数ペア:

[(1, 15985998), (2, 7992999), (3, 5328666), (6, 2664333), (7, 2283714), (9, 1776222), (14, 1141857), (18, 888111), (21, 761238), (27, 592074), (37, 432054), (42, 380619), (54, 296037), (63, 253746), (74, 216027), (81, 197358), (111, 144018), (126, 126873), (127, 125874), (162, 98679), (189, 84582), (222, 72009), (243, 65786), (254, 62937), (259, 61722), (333, 48006), (378, 42291), (381, 41958), (486, 32893), (518, 30861), (567, 28194), (666, 24003), (762, 20979), (777, 20574), (889, 17982), (999, 16002), (1134, 14097), (1143, 13986), (1554, 10287), (1701, 9398), (1778, 8991), (1998, 8001), (2286, 6993), (2331, 6858), (2667, 5994), (2997, 5334), (3402, 4699), (3429, 4662)]