81242676

素因数分解:

$2^2\times 3^7\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 219864960

約数和(自身を除く): 138622284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 81, 108, 111, 148, 162, 222, 243, 251, 324, 333, 444, 486, 502, 666, 729, 753, 972, 999, 1004, 1332, 1458, 1506, 1998, 2187, 2259, 2916, 2997, 3012, 3996, 4374, 4518, 5994, 6777, 8748, 8991, 9036, 9287, 11988, 13554, 17982, 18574, 20331, 26973, 27108, 27861, 35964, 37148, 40662, 53946, 55722, 60993, 80919, 81324, 83583, 107892, 111444, 121986, 161838, 167166, 182979, 243972, 250749, 323676, 334332, 365958, 501498, 548937, 731916, 752247, 1002996, 1097874, 1504494, 2195748, 2256741, 3008988, 4513482, 6770223, 9026964, 13540446, 20310669, 27080892, 40621338, 81242676]

約数ペア:

[(1, 81242676), (2, 40621338), (3, 27080892), (4, 20310669), (6, 13540446), (9, 9026964), (12, 6770223), (18, 4513482), (27, 3008988), (36, 2256741), (37, 2195748), (54, 1504494), (74, 1097874), (81, 1002996), (108, 752247), (111, 731916), (148, 548937), (162, 501498), (222, 365958), (243, 334332), (251, 323676), (324, 250749), (333, 243972), (444, 182979), (486, 167166), (502, 161838), (666, 121986), (729, 111444), (753, 107892), (972, 83583), (999, 81324), (1004, 80919), (1332, 60993), (1458, 55722), (1506, 53946), (1998, 40662), (2187, 37148), (2259, 35964), (2916, 27861), (2997, 27108), (3012, 26973), (3996, 20331), (4374, 18574), (4518, 17982), (5994, 13554), (6777, 11988), (8748, 9287), (8991, 9036)]