81639144

素因数分解:

$2^3\times 3^3\times {\mathrm{23}}^1\times {\mathrm{16433}}^1$

素因数の和:16471

約数の個数: 64

約数和(自身を含む): 236649600

約数和(自身を除く): 155010456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 54, 69, 72, 92, 108, 138, 184, 207, 216, 276, 414, 552, 621, 828, 1242, 1656, 2484, 4968, 16433, 32866, 49299, 65732, 98598, 131464, 147897, 197196, 295794, 377959, 394392, 443691, 591588, 755918, 887382, 1133877, 1183176, 1511836, 1774764, 2267754, 3023672, 3401631, 3549528, 4535508, 6803262, 9071016, 10204893, 13606524, 20409786, 27213048, 40819572, 81639144]

約数ペア:

[(1, 81639144), (2, 40819572), (3, 27213048), (4, 20409786), (6, 13606524), (8, 10204893), (9, 9071016), (12, 6803262), (18, 4535508), (23, 3549528), (24, 3401631), (27, 3023672), (36, 2267754), (46, 1774764), (54, 1511836), (69, 1183176), (72, 1133877), (92, 887382), (108, 755918), (138, 591588), (184, 443691), (207, 394392), (216, 377959), (276, 295794), (414, 197196), (552, 147897), (621, 131464), (828, 98598), (1242, 65732), (1656, 49299), (2484, 32866), (4968, 16433)]