208780959

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{293}}^1\times {\mathrm{449}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 292647600

約数和(自身を除く): 83866641

約数列:

[1, 3, 23, 69, 293, 449, 529, 879, 1347, 1587, 6739, 10327, 20217, 30981, 131557, 154997, 237521, 394671, 464991, 712563, 3025811, 9077433, 69593653, 208780959]

約数ペア:

[(1, 208780959), (3, 69593653), (23, 9077433), (69, 3025811), (293, 712563), (449, 464991), (529, 394671), (879, 237521), (1347, 154997), (1587, 131557), (6739, 30981), (10327, 20217)]