209800527

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1103}}^1$

素因数の和:1243

約数の個数: 32

約数和(自身を含む): 305233920

約数和(自身を除く): 95433393

約数列:

[1, 3, 19, 47, 57, 71, 141, 213, 893, 1103, 1349, 2679, 3309, 3337, 4047, 10011, 20957, 51841, 62871, 63403, 78313, 155523, 190209, 234939, 984979, 1487947, 2954937, 3680711, 4463841, 11042133, 69933509, 209800527]

約数ペア:

[(1, 209800527), (3, 69933509), (19, 11042133), (47, 4463841), (57, 3680711), (71, 2954937), (141, 1487947), (213, 984979), (893, 234939), (1103, 190209), (1349, 155523), (2679, 78313), (3309, 63403), (3337, 62871), (4047, 51841), (10011, 20957)]