81815922

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{2381}}^1$

素因数の和:2495

約数の個数: 48

約数和(自身を含む): 187282368

約数和(自身を除く): 105466446

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 83, 138, 166, 207, 249, 414, 498, 747, 1494, 1909, 2381, 3818, 4762, 5727, 7143, 11454, 14286, 17181, 21429, 34362, 42858, 54763, 109526, 164289, 197623, 328578, 395246, 492867, 592869, 985734, 1185738, 1778607, 3557214, 4545329, 9090658, 13635987, 27271974, 40907961, 81815922]

約数ペア:

[(1, 81815922), (2, 40907961), (3, 27271974), (6, 13635987), (9, 9090658), (18, 4545329), (23, 3557214), (46, 1778607), (69, 1185738), (83, 985734), (138, 592869), (166, 492867), (207, 395246), (249, 328578), (414, 197623), (498, 164289), (747, 109526), (1494, 54763), (1909, 42858), (2381, 34362), (3818, 21429), (4762, 17181), (5727, 14286), (7143, 11454)]