81967761

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4153}}^1$

素因数の和:4222

約数の個数: 32

約数和(自身を含む): 131598720

約数和(自身を除く): 49630959

約数列:

[1, 3, 9, 17, 27, 43, 51, 129, 153, 387, 459, 731, 1161, 2193, 4153, 6579, 12459, 19737, 37377, 70601, 112131, 178579, 211803, 535737, 635409, 1607211, 1906227, 3035843, 4821633, 9107529, 27322587, 81967761]

約数ペア:

[(1, 81967761), (3, 27322587), (9, 9107529), (17, 4821633), (27, 3035843), (43, 1906227), (51, 1607211), (129, 635409), (153, 535737), (387, 211803), (459, 178579), (731, 112131), (1161, 70601), (2193, 37377), (4153, 19737), (6579, 12459)]