1999239

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1289}}^1$

素因数の和:1350

約数の個数: 16

約数和(自身を含む): 2972160

約数和(自身を除く): 972921

約数列:

[1, 3, 11, 33, 47, 141, 517, 1289, 1551, 3867, 14179, 42537, 60583, 181749, 666413, 1999239]

約数ペア:

[(1, 1999239), (3, 666413), (11, 181749), (33, 60583), (47, 42537), (141, 14179), (517, 3867), (1289, 1551)]