81787314

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{27427}}^1$

素因数の和:27510

約数の個数: 32

約数和(自身を含む): 189582336

約数和(自身を除く): 107795022

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 27427, 54854, 82281, 164562, 191989, 383978, 575967, 1151934, 1947317, 3894634, 5841951, 11683902, 13631219, 27262438, 40893657, 81787314]

約数ペア:

[(1, 81787314), (2, 40893657), (3, 27262438), (6, 13631219), (7, 11683902), (14, 5841951), (21, 3894634), (42, 1947317), (71, 1151934), (142, 575967), (213, 383978), (426, 191989), (497, 164562), (994, 82281), (1491, 54854), (2982, 27427)]