78712659

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{619}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 116064000

約数和(自身を除く): 37351341

約数列:

[1, 3, 9, 71, 199, 213, 597, 619, 639, 1791, 1857, 5571, 14129, 42387, 43949, 123181, 127161, 131847, 369543, 395541, 1108629, 8745851, 26237553, 78712659]

約数ペア:

[(1, 78712659), (3, 26237553), (9, 8745851), (71, 1108629), (199, 395541), (213, 369543), (597, 131847), (619, 127161), (639, 123181), (1791, 43949), (1857, 42387), (5571, 14129)]