28626789

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{11213}}^1$

素因数の和:11276

約数の個数: 16

約数和(自身を含む): 40908672

約数和(自身を除く): 12281883

約数列:

[1, 3, 23, 37, 69, 111, 851, 2553, 11213, 33639, 257899, 414881, 773697, 1244643, 9542263, 28626789]

約数ペア:

[(1, 28626789), (3, 9542263), (23, 1244643), (37, 773697), (69, 414881), (111, 257899), (851, 33639), (2553, 11213)]