81100251

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1621}}^1$

素因数の和:1756

約数の個数: 32

約数和(自身を含む): 128462400

約数和(自身を除く): 47362149

約数列:

[1, 3, 9, 17, 27, 51, 109, 153, 327, 459, 981, 1621, 1853, 2943, 4863, 5559, 14589, 16677, 27557, 43767, 50031, 82671, 176689, 248013, 530067, 744039, 1590201, 3003713, 4770603, 9011139, 27033417, 81100251]

約数ペア:

[(1, 81100251), (3, 27033417), (9, 9011139), (17, 4770603), (27, 3003713), (51, 1590201), (109, 744039), (153, 530067), (327, 248013), (459, 176689), (981, 82671), (1621, 50031), (1853, 43767), (2943, 27557), (4863, 16677), (5559, 14589)]