208057647

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{797}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 328495104

約数和(自身を除く): 120437457

約数列:

[1, 3, 7, 21, 31, 93, 217, 401, 651, 797, 1203, 2391, 2807, 5579, 8421, 12431, 16737, 24707, 37293, 74121, 87017, 172949, 261051, 319597, 518847, 958791, 2237179, 6711537, 9907507, 29722521, 69352549, 208057647]

約数ペア:

[(1, 208057647), (3, 69352549), (7, 29722521), (21, 9907507), (31, 6711537), (93, 2237179), (217, 958791), (401, 518847), (651, 319597), (797, 261051), (1203, 172949), (2391, 87017), (2807, 74121), (5579, 37293), (8421, 24707), (12431, 16737)]