199923423

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{72673}}^1$

素因数の和:72814

約数の個数: 16

約数和(自身を含む): 306974976

約数和(自身を除く): 107051553

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 72673, 218019, 508711, 1526133, 9520163, 28560489, 66641141, 199923423]

約数ペア:

[(1, 199923423), (3, 66641141), (7, 28560489), (21, 9520163), (131, 1526133), (393, 508711), (917, 218019), (2751, 72673)]