81663201

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{277}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 124099200

約数和(自身を除く): 42435999

約数列:

[1, 3, 9, 27, 61, 179, 183, 277, 537, 549, 831, 1611, 1647, 2493, 4833, 7479, 10919, 16897, 32757, 49583, 50691, 98271, 148749, 152073, 294813, 446247, 456219, 1338741, 3024563, 9073689, 27221067, 81663201]

約数ペア:

[(1, 81663201), (3, 27221067), (9, 9073689), (27, 3024563), (61, 1338741), (179, 456219), (183, 446247), (277, 294813), (537, 152073), (549, 148749), (831, 98271), (1611, 50691), (1647, 49583), (2493, 32757), (4833, 16897), (7479, 10919)]