128498427

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3943}}^1$

素因数の和:4040

約数の個数: 32

約数和(自身を含む): 204456960

約数和(自身を除く): 75958533

約数列:

[1, 3, 9, 17, 27, 51, 71, 153, 213, 459, 639, 1207, 1917, 3621, 3943, 10863, 11829, 32589, 35487, 67031, 106461, 201093, 279953, 603279, 839859, 1809837, 2519577, 4759201, 7558731, 14277603, 42832809, 128498427]

約数ペア:

[(1, 128498427), (3, 42832809), (9, 14277603), (17, 7558731), (27, 4759201), (51, 2519577), (71, 1809837), (153, 839859), (213, 603279), (459, 279953), (639, 201093), (1207, 106461), (1917, 67031), (3621, 35487), (3943, 32589), (10863, 11829)]