16938207

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 30481920

約数和(自身を除く): 13543713

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 41, 99, 107, 117, 123, 143, 297, 321, 351, 369, 429, 451, 533, 963, 1107, 1177, 1287, 1353, 1391, 1599, 2889, 3531, 3861, 4059, 4173, 4387, 4797, 5863, 10593, 12177, 12519, 13161, 14391, 15301, 17589, 31779, 37557, 39483, 45903, 48257, 52767, 57031, 118449, 137709, 144771, 158301, 171093, 413127, 434313, 513279, 627341, 1302939, 1539837, 1882023, 5646069, 16938207]

約数ペア:

[(1, 16938207), (3, 5646069), (9, 1882023), (11, 1539837), (13, 1302939), (27, 627341), (33, 513279), (39, 434313), (41, 413127), (99, 171093), (107, 158301), (117, 144771), (123, 137709), (143, 118449), (297, 57031), (321, 52767), (351, 48257), (369, 45903), (429, 39483), (451, 37557), (533, 31779), (963, 17589), (1107, 15301), (1177, 14391), (1287, 13161), (1353, 12519), (1391, 12177), (1599, 10593), (2889, 5863), (3531, 4797), (3861, 4387), (4059, 4173)]