16426557

素因数分解:

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

素因数の和:94

約数の個数: 64

約数和(自身を含む): 29913600

約数和(自身を除く): 13487043

約数列:

[1, 3, 7, 9, 21, 27, 29, 37, 63, 81, 87, 111, 189, 203, 243, 259, 261, 333, 567, 609, 729, 777, 783, 999, 1073, 1701, 1827, 2187, 2331, 2349, 2997, 3219, 5103, 5481, 6993, 7047, 7511, 8991, 9657, 15309, 16443, 20979, 21141, 22533, 26973, 28971, 49329, 62937, 63423, 67599, 80919, 86913, 147987, 188811, 202797, 260739, 443961, 566433, 608391, 782217, 1825173, 2346651, 5475519, 16426557]

約数ペア:

[(1, 16426557), (3, 5475519), (7, 2346651), (9, 1825173), (21, 782217), (27, 608391), (29, 566433), (37, 443961), (63, 260739), (81, 202797), (87, 188811), (111, 147987), (189, 86913), (203, 80919), (243, 67599), (259, 63423), (261, 62937), (333, 49329), (567, 28971), (609, 26973), (729, 22533), (777, 21141), (783, 20979), (999, 16443), (1073, 15309), (1701, 9657), (1827, 8991), (2187, 7511), (2331, 7047), (2349, 6993), (2997, 5481), (3219, 5103)]