200518731

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{15679}}^1$

素因数の和:15728

約数の個数: 36

約数和(自身を含む): 348566400

約数和(自身を除く): 148047669

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 441, 609, 1421, 1827, 4263, 12789, 15679, 47037, 109753, 141111, 329259, 454691, 768271, 987777, 1364073, 2304813, 3182837, 4092219, 6914439, 9548511, 22279859, 28645533, 66839577, 200518731]

約数ペア:

[(1, 200518731), (3, 66839577), (7, 28645533), (9, 22279859), (21, 9548511), (29, 6914439), (49, 4092219), (63, 3182837), (87, 2304813), (147, 1364073), (203, 987777), (261, 768271), (441, 454691), (609, 329259), (1421, 141111), (1827, 109753), (4263, 47037), (12789, 15679)]