2056509

素因数分解:

$3^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:69

約数の個数: 56

約数和(自身を含む): 3917312

約数和(自身を除く): 1860803

約数列:

[1, 3, 7, 9, 13, 21, 27, 31, 39, 63, 81, 91, 93, 117, 189, 217, 243, 273, 279, 351, 403, 567, 651, 729, 819, 837, 1053, 1209, 1701, 1953, 2457, 2511, 2821, 3159, 3627, 5103, 5859, 7371, 7533, 8463, 9477, 10881, 17577, 22113, 22599, 25389, 32643, 52731, 66339, 76167, 97929, 158193, 228501, 293787, 685503, 2056509]

約数ペア:

[(1, 2056509), (3, 685503), (7, 293787), (9, 228501), (13, 158193), (21, 97929), (27, 76167), (31, 66339), (39, 52731), (63, 32643), (81, 25389), (91, 22599), (93, 22113), (117, 17577), (189, 10881), (217, 9477), (243, 8463), (273, 7533), (279, 7371), (351, 5859), (403, 5103), (567, 3627), (651, 3159), (729, 2821), (819, 2511), (837, 2457), (1053, 1953), (1209, 1701)]