12821585

素因数分解:

$5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{887}}^1$

素因数の和:965

約数の個数: 24

約数和(自身を含む): 18221760

約数和(自身を除く): 5400175

約数列:

[1, 5, 7, 35, 49, 59, 245, 295, 413, 887, 2065, 2891, 4435, 6209, 14455, 31045, 43463, 52333, 217315, 261665, 366331, 1831655, 2564317, 12821585]

約数ペア:

[(1, 12821585), (5, 2564317), (7, 1831655), (35, 366331), (49, 261665), (59, 217315), (245, 52333), (295, 43463), (413, 31045), (887, 14455), (2065, 6209), (2891, 4435)]