81866538

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{38873}}^1$

素因数の和:38900

約数の個数: 40

約数和(自身を含む): 197557668

約数和(自身を除く): 115691130

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 38873, 77746, 116619, 233238, 349857, 505349, 699714, 1010698, 1049571, 1516047, 2099142, 3032094, 3148713, 4548141, 6297426, 9096282, 13644423, 27288846, 40933269, 81866538]

約数ペア:

[(1, 81866538), (2, 40933269), (3, 27288846), (6, 13644423), (9, 9096282), (13, 6297426), (18, 4548141), (26, 3148713), (27, 3032094), (39, 2099142), (54, 1516047), (78, 1049571), (81, 1010698), (117, 699714), (162, 505349), (234, 349857), (351, 233238), (702, 116619), (1053, 77746), (2106, 38873)]