207945717

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{1669}}^1$

素因数の和:2045

約数の個数: 32

約数和(自身を含む): 336672000

約数和(自身を除く): 128726283

約数列:

[1, 3, 7, 17, 21, 51, 119, 349, 357, 1047, 1669, 2443, 5007, 5933, 7329, 11683, 17799, 28373, 35049, 41531, 85119, 124593, 198611, 582481, 595833, 1747443, 4077367, 9902177, 12232101, 29706531, 69315239, 207945717]

約数ペア:

[(1, 207945717), (3, 69315239), (7, 29706531), (17, 12232101), (21, 9902177), (51, 4077367), (119, 1747443), (349, 595833), (357, 582481), (1047, 198611), (1669, 124593), (2443, 85119), (5007, 41531), (5933, 35049), (7329, 28373), (11683, 17799)]