81756162

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:177

約数の個数: 128

約数和(自身を含む): 206841600

約数和(自身を除く): 125085438

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 29, 34, 37, 51, 54, 58, 74, 83, 87, 102, 111, 153, 166, 174, 222, 249, 261, 306, 333, 459, 493, 498, 522, 629, 666, 747, 783, 918, 986, 999, 1073, 1258, 1411, 1479, 1494, 1566, 1887, 1998, 2146, 2241, 2407, 2822, 2958, 3071, 3219, 3774, 4233, 4437, 4482, 4814, 5661, 6142, 6438, 7221, 8466, 8874, 9213, 9657, 11322, 12699, 13311, 14442, 16983, 18241, 18426, 19314, 21663, 25398, 26622, 27639, 28971, 33966, 36482, 38097, 40919, 43326, 52207, 54723, 55278, 57942, 64989, 76194, 81838, 82917, 89059, 104414, 109446, 122757, 129978, 156621, 164169, 165834, 178118, 245514, 267177, 313242, 328338, 368271, 469863, 492507, 534354, 736542, 801531, 939726, 985014, 1104813, 1409589, 1514003, 1603062, 2209626, 2404593, 2819178, 3028006, 4542009, 4809186, 9084018, 13626027, 27252054, 40878081, 81756162]

約数ペア:

[(1, 81756162), (2, 40878081), (3, 27252054), (6, 13626027), (9, 9084018), (17, 4809186), (18, 4542009), (27, 3028006), (29, 2819178), (34, 2404593), (37, 2209626), (51, 1603062), (54, 1514003), (58, 1409589), (74, 1104813), (83, 985014), (87, 939726), (102, 801531), (111, 736542), (153, 534354), (166, 492507), (174, 469863), (222, 368271), (249, 328338), (261, 313242), (306, 267177), (333, 245514), (459, 178118), (493, 165834), (498, 164169), (522, 156621), (629, 129978), (666, 122757), (747, 109446), (783, 104414), (918, 89059), (986, 82917), (999, 81838), (1073, 76194), (1258, 64989), (1411, 57942), (1479, 55278), (1494, 54723), (1566, 52207), (1887, 43326), (1998, 40919), (2146, 38097), (2241, 36482), (2407, 33966), (2822, 28971), (2958, 27639), (3071, 26622), (3219, 25398), (3774, 21663), (4233, 19314), (4437, 18426), (4482, 18241), (4814, 16983), (5661, 14442), (6142, 13311), (6438, 12699), (7221, 11322), (8466, 9657), (8874, 9213)]