81668139

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{105107}}^1$

素因数の和:105154

約数の個数: 16

約数和(自身を含む): 127811328

約数和(自身を除く): 46143189

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 105107, 315321, 735749, 2207247, 3888959, 11666877, 27222713, 81668139]

約数ペア:

[(1, 81668139), (3, 27222713), (7, 11666877), (21, 3888959), (37, 2207247), (111, 735749), (259, 315321), (777, 105107)]