81655452

素因数分解:

$2^2\times 3^4\times {\mathrm{43}}^1\times {\mathrm{5861}}^1$

素因数の和:5920

約数の個数: 60

約数和(自身を含む): 218465016

約数和(自身を除く): 136809564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 81, 86, 108, 129, 162, 172, 258, 324, 387, 516, 774, 1161, 1548, 2322, 3483, 4644, 5861, 6966, 11722, 13932, 17583, 23444, 35166, 52749, 70332, 105498, 158247, 210996, 252023, 316494, 474741, 504046, 632988, 756069, 949482, 1008092, 1512138, 1898964, 2268207, 3024276, 4536414, 6804621, 9072828, 13609242, 20413863, 27218484, 40827726, 81655452]

約数ペア:

[(1, 81655452), (2, 40827726), (3, 27218484), (4, 20413863), (6, 13609242), (9, 9072828), (12, 6804621), (18, 4536414), (27, 3024276), (36, 2268207), (43, 1898964), (54, 1512138), (81, 1008092), (86, 949482), (108, 756069), (129, 632988), (162, 504046), (172, 474741), (258, 316494), (324, 252023), (387, 210996), (516, 158247), (774, 105498), (1161, 70332), (1548, 52749), (2322, 35166), (3483, 23444), (4644, 17583), (5861, 13932), (6966, 11722)]