1557909

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 2396160

約数和(自身を除く): 838251

約数列:

[1, 3, 9, 29, 47, 87, 127, 141, 261, 381, 423, 1143, 1363, 3683, 4089, 5969, 11049, 12267, 17907, 33147, 53721, 173101, 519303, 1557909]

約数ペア:

[(1, 1557909), (3, 519303), (9, 173101), (29, 53721), (47, 33147), (87, 17907), (127, 12267), (141, 11049), (261, 5969), (381, 4089), (423, 3683), (1143, 1363)]