15840399

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1327}}^1$

素因数の和:1526

約数の個数: 16

約数和(自身を含む): 22182912

約数和(自身を除く): 6342513

約数列:

[1, 3, 23, 69, 173, 519, 1327, 3979, 3981, 11937, 30521, 91563, 229571, 688713, 5280133, 15840399]

約数ペア:

[(1, 15840399), (3, 5280133), (23, 688713), (69, 229571), (173, 91563), (519, 30521), (1327, 11937), (3979, 3981)]