81105138

素因数分解:

$2^1\times 3^5\times {\mathrm{43}}^1\times {\mathrm{3881}}^1$

素因数の和:3941

約数の個数: 48

約数和(自身を含む): 186522336

約数和(自身を除く): 105417198

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 129, 162, 243, 258, 387, 486, 774, 1161, 2322, 3483, 3881, 6966, 7762, 10449, 11643, 20898, 23286, 34929, 69858, 104787, 166883, 209574, 314361, 333766, 500649, 628722, 943083, 1001298, 1501947, 1886166, 3003894, 4505841, 9011682, 13517523, 27035046, 40552569, 81105138]

約数ペア:

[(1, 81105138), (2, 40552569), (3, 27035046), (6, 13517523), (9, 9011682), (18, 4505841), (27, 3003894), (43, 1886166), (54, 1501947), (81, 1001298), (86, 943083), (129, 628722), (162, 500649), (243, 333766), (258, 314361), (387, 209574), (486, 166883), (774, 104787), (1161, 69858), (2322, 34929), (3483, 23286), (3881, 20898), (6966, 11643), (7762, 10449)]