16020963

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 64

約数和(自身を含む): 29184000

約数和(自身を除く): 13163037

約数列:

[1, 3, 7, 9, 21, 27, 29, 37, 63, 79, 87, 111, 189, 203, 237, 259, 261, 333, 553, 609, 711, 777, 783, 999, 1073, 1659, 1827, 2133, 2291, 2331, 2923, 3219, 4977, 5481, 6873, 6993, 7511, 8769, 9657, 14931, 16037, 20461, 20619, 22533, 26307, 28971, 48111, 61383, 61857, 67599, 78921, 84767, 144333, 184149, 202797, 254301, 432999, 552447, 593369, 762903, 1780107, 2288709, 5340321, 16020963]

約数ペア:

[(1, 16020963), (3, 5340321), (7, 2288709), (9, 1780107), (21, 762903), (27, 593369), (29, 552447), (37, 432999), (63, 254301), (79, 202797), (87, 184149), (111, 144333), (189, 84767), (203, 78921), (237, 67599), (259, 61857), (261, 61383), (333, 48111), (553, 28971), (609, 26307), (711, 22533), (777, 20619), (783, 20461), (999, 16037), (1073, 14931), (1659, 9657), (1827, 8769), (2133, 7511), (2291, 6993), (2331, 6873), (2923, 5481), (3219, 4977)]