190209

素因数分解:

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

素因数の和:140

約数の個数: 16

約数和(自身を含む): 276480

約数和(自身を除く): 86271

約数列:

[1, 3, 19, 47, 57, 71, 141, 213, 893, 1349, 2679, 3337, 4047, 10011, 63403, 190209]

約数ペア:

[(1, 190209), (3, 63403), (19, 10011), (47, 4047), (57, 3337), (71, 2679), (141, 1349), (213, 893)]