81365229

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1723}}^1$

素因数の和:1799

約数の個数: 40

約数和(自身を含む): 135175392

約数和(自身を除く): 53810163

約数列:

[1, 3, 9, 11, 27, 33, 53, 81, 99, 159, 297, 477, 583, 891, 1431, 1723, 1749, 4293, 5169, 5247, 15507, 15741, 18953, 46521, 47223, 56859, 91319, 139563, 170577, 273957, 511731, 821871, 1004509, 1535193, 2465613, 3013527, 7396839, 9040581, 27121743, 81365229]

約数ペア:

[(1, 81365229), (3, 27121743), (9, 9040581), (11, 7396839), (27, 3013527), (33, 2465613), (53, 1535193), (81, 1004509), (99, 821871), (159, 511731), (297, 273957), (477, 170577), (583, 139563), (891, 91319), (1431, 56859), (1723, 47223), (1749, 46521), (4293, 18953), (5169, 15741), (5247, 15507)]