68389881

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{25643}}^1$

素因数の和:25780

約数の個数: 16

約数和(自身を含む): 105037824

約数和(自身を除く): 36647943

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 25643, 76929, 179501, 538503, 3256661, 9769983, 22796627, 68389881]

約数ペア:

[(1, 68389881), (3, 22796627), (7, 9769983), (21, 3256661), (127, 538503), (381, 179501), (889, 76929), (2667, 25643)]