12778575

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{2543}}^1$

素因数の和:2623

約数の個数: 24

約数和(自身を含む): 21451008

約数和(自身を除く): 8672433

約数列:

[1, 3, 5, 15, 25, 67, 75, 201, 335, 1005, 1675, 2543, 5025, 7629, 12715, 38145, 63575, 170381, 190725, 511143, 851905, 2555715, 4259525, 12778575]

約数ペア:

[(1, 12778575), (3, 4259525), (5, 2555715), (15, 851905), (25, 511143), (67, 190725), (75, 170381), (201, 63575), (335, 38145), (1005, 12715), (1675, 7629), (2543, 5025)]