16399383

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 30277632

約数和(自身を除く): 13878249

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 43, 77, 91, 127, 129, 143, 231, 273, 301, 381, 429, 473, 559, 889, 903, 1001, 1397, 1419, 1651, 1677, 2667, 3003, 3311, 3913, 4191, 4953, 5461, 6149, 9779, 9933, 11557, 11739, 16383, 18161, 18447, 29337, 34671, 38227, 43043, 54483, 60071, 70993, 114681, 127127, 129129, 180213, 212979, 381381, 420497, 496951, 780923, 1261491, 1490853, 2342769, 5466461, 16399383]

約数ペア:

[(1, 16399383), (3, 5466461), (7, 2342769), (11, 1490853), (13, 1261491), (21, 780923), (33, 496951), (39, 420497), (43, 381381), (77, 212979), (91, 180213), (127, 129129), (129, 127127), (143, 114681), (231, 70993), (273, 60071), (301, 54483), (381, 43043), (429, 38227), (473, 34671), (559, 29337), (889, 18447), (903, 18161), (1001, 16383), (1397, 11739), (1419, 11557), (1651, 9933), (1677, 9779), (2667, 6149), (3003, 5461), (3311, 4953), (3913, 4191)]