16428027

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{197}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 28968192

約数和(自身を除く): 12540165

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 197, 209, 231, 361, 399, 591, 627, 1083, 1379, 1463, 2167, 2527, 3743, 3971, 4137, 4389, 6501, 7581, 11229, 11913, 15169, 26201, 27797, 41173, 45507, 71117, 78603, 83391, 123519, 213351, 288211, 497819, 782287, 864633, 1493457, 2346861, 5476009, 16428027]

約数ペア:

[(1, 16428027), (3, 5476009), (7, 2346861), (11, 1493457), (19, 864633), (21, 782287), (33, 497819), (57, 288211), (77, 213351), (133, 123519), (197, 83391), (209, 78603), (231, 71117), (361, 45507), (399, 41173), (591, 27797), (627, 26201), (1083, 15169), (1379, 11913), (1463, 11229), (2167, 7581), (2527, 6501), (3743, 4389), (3971, 4137)]