2986011

素因数分解:

$3^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 48

約数和(自身を含む): 5371680

約数和(自身を除く): 2385669

約数列:

[1, 3, 7, 9, 21, 27, 37, 49, 61, 63, 111, 147, 183, 189, 259, 333, 427, 441, 549, 777, 999, 1281, 1323, 1647, 1813, 2257, 2331, 2989, 3843, 5439, 6771, 6993, 8967, 11529, 15799, 16317, 20313, 26901, 47397, 48951, 60939, 80703, 110593, 142191, 331779, 426573, 995337, 2986011]

約数ペア:

[(1, 2986011), (3, 995337), (7, 426573), (9, 331779), (21, 142191), (27, 110593), (37, 80703), (49, 60939), (61, 48951), (63, 47397), (111, 26901), (147, 20313), (183, 16317), (189, 15799), (259, 11529), (333, 8967), (427, 6993), (441, 6771), (549, 5439), (777, 3843), (999, 2989), (1281, 2331), (1323, 2257), (1647, 1813)]