87405507

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 157593600

約数和(自身を除く): 70188093

約数列:

[1, 3, 7, 9, 21, 27, 29, 37, 63, 87, 111, 189, 203, 259, 261, 333, 431, 609, 777, 783, 999, 1073, 1293, 1827, 2331, 3017, 3219, 3879, 5481, 6993, 7511, 9051, 9657, 11637, 12499, 15947, 22533, 27153, 28971, 37497, 47841, 67599, 81459, 87493, 111629, 112491, 143523, 202797, 262479, 334887, 337473, 430569, 462463, 787437, 1004661, 1387389, 2362311, 3013983, 3237241, 4162167, 9711723, 12486501, 29135169, 87405507]

約数ペア:

[(1, 87405507), (3, 29135169), (7, 12486501), (9, 9711723), (21, 4162167), (27, 3237241), (29, 3013983), (37, 2362311), (63, 1387389), (87, 1004661), (111, 787437), (189, 462463), (203, 430569), (259, 337473), (261, 334887), (333, 262479), (431, 202797), (609, 143523), (777, 112491), (783, 111629), (999, 87493), (1073, 81459), (1293, 67599), (1827, 47841), (2331, 37497), (3017, 28971), (3219, 27153), (3879, 22533), (5481, 15947), (6993, 12499), (7511, 11637), (9051, 9657)]