81116181

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{487}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 124928000

約数和(自身を除く): 43811819

約数列:

[1, 3, 9, 27, 31, 93, 199, 279, 487, 597, 837, 1461, 1791, 4383, 5373, 6169, 13149, 15097, 18507, 45291, 55521, 96913, 135873, 166563, 290739, 407619, 872217, 2616651, 3004303, 9012909, 27038727, 81116181]

約数ペア:

[(1, 81116181), (3, 27038727), (9, 9012909), (27, 3004303), (31, 2616651), (93, 872217), (199, 407619), (279, 290739), (487, 166563), (597, 135873), (837, 96913), (1461, 55521), (1791, 45291), (4383, 18507), (5373, 15097), (6169, 13149)]