201739881

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{1129}}^1$

素因数の和:1333

約数の個数: 32

約数和(自身を含む): 314736640

約数和(自身を除く): 112996759

約数列:

[1, 3, 7, 21, 67, 127, 201, 381, 469, 889, 1129, 1407, 2667, 3387, 7903, 8509, 23709, 25527, 59563, 75643, 143383, 178689, 226929, 430149, 529501, 1003681, 1588503, 3011043, 9606661, 28819983, 67246627, 201739881]

約数ペア:

[(1, 201739881), (3, 67246627), (7, 28819983), (21, 9606661), (67, 3011043), (127, 1588503), (201, 1003681), (381, 529501), (469, 430149), (889, 226929), (1129, 178689), (1407, 143383), (2667, 75643), (3387, 59563), (7903, 25527), (8509, 23709)]