13181139

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1721}}^1$

素因数の和:1787

約数の個数: 24

約数和(自身を含む): 20416032

約数和(自身を除く): 7234893

約数列:

[1, 3, 9, 23, 37, 69, 111, 207, 333, 851, 1721, 2553, 5163, 7659, 15489, 39583, 63677, 118749, 191031, 356247, 573093, 1464571, 4393713, 13181139]

約数ペア:

[(1, 13181139), (3, 4393713), (9, 1464571), (23, 573093), (37, 356247), (69, 191031), (111, 118749), (207, 63677), (333, 39583), (851, 15489), (1721, 7659), (2553, 5163)]