664758729

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{1040311}}^1$

素因数の和:1040388

約数の個数: 12

約数和(自身を含む): 973732032

約数和(自身を除く): 308973303

約数列:

[1, 3, 9, 71, 213, 639, 1040311, 3120933, 9362799, 73862081, 221586243, 664758729]

約数ペア:

[(1, 664758729), (3, 221586243), (9, 73862081), (71, 9362799), (213, 3120933), (639, 1040311)]