209895575907

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1\times {\mathrm{1109}}^1\times {\mathrm{1979}}^1$

素因数の和:3611

約数の個数: 32

約数和(自身を含む): 284834880000

約数和(自身を除く): 74939304093

約数列:

[1, 3, 71, 213, 449, 1109, 1347, 1979, 3327, 5937, 31879, 78739, 95637, 140509, 236217, 421527, 497941, 888571, 1493823, 2194711, 2665713, 6584133, 35353811, 63088541, 106061433, 155824481, 189265623, 467473443, 985425239, 2956275717, 69965191969, 209895575907]

約数ペア:

[(1, 209895575907), (3, 69965191969), (71, 2956275717), (213, 985425239), (449, 467473443), (1109, 189265623), (1347, 155824481), (1979, 106061433), (3327, 63088541), (5937, 35353811), (31879, 6584133), (78739, 2665713), (95637, 2194711), (140509, 1493823), (236217, 888571), (421527, 497941)]