205872921

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{941}}^1$

素因数の和:1063

約数の個数: 40

約数和(自身を含む): 320517384

約数和(自身を除く): 114644463

約数列:

[1, 3, 9, 27, 37, 73, 81, 111, 219, 333, 657, 941, 999, 1971, 2701, 2823, 2997, 5913, 8103, 8469, 24309, 25407, 34817, 68693, 72927, 76221, 104451, 206079, 218781, 313353, 618237, 940059, 1854711, 2541641, 2820177, 5564133, 7624923, 22874769, 68624307, 205872921]

約数ペア:

[(1, 205872921), (3, 68624307), (9, 22874769), (27, 7624923), (37, 5564133), (73, 2820177), (81, 2541641), (111, 1854711), (219, 940059), (333, 618237), (657, 313353), (941, 218781), (999, 206079), (1971, 104451), (2701, 76221), (2823, 72927), (2997, 68693), (5913, 34817), (8103, 25407), (8469, 24309)]