12805975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{433}}^1$

素因数の和:476

約数の個数: 36

約数和(自身を含む): 19696656

約数和(自身を除く): 6890681

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 169, 175, 325, 433, 455, 845, 1183, 2165, 2275, 3031, 4225, 5629, 5915, 10825, 15155, 28145, 29575, 39403, 73177, 75775, 140725, 197015, 365885, 512239, 985075, 1829425, 2561195, 12805975]

約数ペア:

[(1, 12805975), (5, 2561195), (7, 1829425), (13, 985075), (25, 512239), (35, 365885), (65, 197015), (91, 140725), (169, 75775), (175, 73177), (325, 39403), (433, 29575), (455, 28145), (845, 15155), (1183, 10825), (2165, 5915), (2275, 5629), (3031, 4225)]