642636363

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{607}}^1\times {\mathrm{20759}}^1$

素因数の和:21386

約数の個数: 16

約数和(自身を含む): 908789760

約数和(自身を除く): 266153397

約数列:

[1, 3, 17, 51, 607, 1821, 10319, 20759, 30957, 62277, 352903, 1058709, 12600713, 37802139, 214212121, 642636363]

約数ペア:

[(1, 642636363), (3, 214212121), (17, 37802139), (51, 12600713), (607, 1058709), (1821, 352903), (10319, 62277), (20759, 30957)]