30531249

素因数分解:

$3^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:249

約数の個数: 56

約数和(自身を含む): 54282752

約数和(自身を除く): 23751503

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 193, 217, 243, 279, 567, 579, 651, 729, 837, 1351, 1701, 1737, 1953, 2511, 4053, 5103, 5211, 5859, 5983, 7533, 12159, 15633, 17577, 17949, 22599, 36477, 41881, 46899, 52731, 53847, 109431, 125643, 140697, 158193, 161541, 328293, 376929, 484623, 984879, 1130787, 1453869, 3392361, 4361607, 10177083, 30531249]

約数ペア:

[(1, 30531249), (3, 10177083), (7, 4361607), (9, 3392361), (21, 1453869), (27, 1130787), (31, 984879), (63, 484623), (81, 376929), (93, 328293), (189, 161541), (193, 158193), (217, 140697), (243, 125643), (279, 109431), (567, 53847), (579, 52731), (651, 46899), (729, 41881), (837, 36477), (1351, 22599), (1701, 17949), (1737, 17577), (1953, 15633), (2511, 12159), (4053, 7533), (5103, 5983), (5211, 5859)]