257020923

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1549}}^1$

素因数の和:1683

約数の個数: 32

約数和(自身を含む): 374976000

約数和(自身を除く): 117955077

約数列:

[1, 3, 19, 41, 57, 71, 123, 213, 779, 1349, 1549, 2337, 2911, 4047, 4647, 8733, 29431, 55309, 63509, 88293, 109979, 165927, 190527, 329937, 1206671, 2089601, 3620013, 4509139, 6268803, 13527417, 85673641, 257020923]

約数ペア:

[(1, 257020923), (3, 85673641), (19, 13527417), (41, 6268803), (57, 4509139), (71, 3620013), (123, 2089601), (213, 1206671), (779, 329937), (1349, 190527), (1549, 165927), (2337, 109979), (2911, 88293), (4047, 63509), (4647, 55309), (8733, 29431)]