259213245

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1\times {\mathrm{839}}^1$

素因数の和:1369

約数の個数: 32

約数和(自身を含む): 425779200

約数和(自身を除く): 166565955

約数列:

[1, 3, 5, 15, 43, 129, 215, 479, 645, 839, 1437, 2395, 2517, 4195, 7185, 12585, 20597, 36077, 61791, 102985, 108231, 180385, 308955, 401881, 541155, 1205643, 2009405, 6028215, 17280883, 51842649, 86404415, 259213245]

約数ペア:

[(1, 259213245), (3, 86404415), (5, 51842649), (15, 17280883), (43, 6028215), (129, 2009405), (215, 1205643), (479, 541155), (645, 401881), (839, 308955), (1437, 180385), (2395, 108231), (2517, 102985), (4195, 61791), (7185, 36077), (12585, 20597)]