16940847

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 29111040

約数和(自身を除く): 12170193

約数列:

[1, 3, 7, 11, 21, 33, 59, 77, 113, 121, 177, 231, 339, 363, 413, 649, 791, 847, 1239, 1243, 1947, 2373, 2541, 3729, 4543, 6667, 7139, 8701, 13629, 13673, 20001, 21417, 26103, 41019, 46669, 49973, 73337, 95711, 140007, 149919, 220011, 287133, 513359, 806707, 1540077, 2420121, 5646949, 16940847]

約数ペア:

[(1, 16940847), (3, 5646949), (7, 2420121), (11, 1540077), (21, 806707), (33, 513359), (59, 287133), (77, 220011), (113, 149919), (121, 140007), (177, 95711), (231, 73337), (339, 49973), (363, 46669), (413, 41019), (649, 26103), (791, 21417), (847, 20001), (1239, 13673), (1243, 13629), (1947, 8701), (2373, 7139), (2541, 6667), (3729, 4543)]