81935399

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{439}}^1$

素因数の和:759

約数の個数: 24

約数和(自身を含む): 103229280

約数和(自身を除く): 21293881

約数列:

[1, 7, 13, 49, 91, 293, 439, 637, 2051, 3073, 3809, 5707, 14357, 21511, 26663, 39949, 128627, 186641, 279643, 900389, 1672151, 6302723, 11705057, 81935399]

約数ペア:

[(1, 81935399), (7, 11705057), (13, 6302723), (49, 1672151), (91, 900389), (293, 279643), (439, 186641), (637, 128627), (2051, 39949), (3073, 26663), (3809, 21511), (5707, 14357)]