205901871

素因数分解:

$3^1\times 7^3\times {\mathrm{401}}^1\times {\mathrm{499}}^1$

素因数の和:924

約数の個数: 32

約数和(自身を含む): 321600000

約数和(自身を除く): 115698129

約数列:

[1, 3, 7, 21, 49, 147, 343, 401, 499, 1029, 1203, 1497, 2807, 3493, 8421, 10479, 19649, 24451, 58947, 73353, 137543, 171157, 200099, 412629, 513471, 600297, 1400693, 4202079, 9804851, 29414553, 68633957, 205901871]

約数ペア:

[(1, 205901871), (3, 68633957), (7, 29414553), (21, 9804851), (49, 4202079), (147, 1400693), (343, 600297), (401, 513471), (499, 412629), (1029, 200099), (1203, 171157), (1497, 137543), (2807, 73353), (3493, 58947), (8421, 24451), (10479, 19649)]