212822841

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{977}}^1$

素因数の和:1062

約数の個数: 64

約数和(自身を含む): 378556416

約数和(自身を除く): 165733575

約数列:

[1, 3, 7, 11, 21, 23, 33, 41, 69, 77, 123, 161, 231, 253, 287, 451, 483, 759, 861, 943, 977, 1353, 1771, 2829, 2931, 3157, 5313, 6601, 6839, 9471, 10373, 10747, 19803, 20517, 22471, 31119, 32241, 40057, 67413, 72611, 75229, 120171, 157297, 217833, 225687, 247181, 280399, 440627, 471891, 741543, 841197, 921311, 1321881, 1730267, 2763933, 3084389, 5190801, 6449177, 9253167, 10134421, 19347531, 30403263, 70940947, 212822841]

約数ペア:

[(1, 212822841), (3, 70940947), (7, 30403263), (11, 19347531), (21, 10134421), (23, 9253167), (33, 6449177), (41, 5190801), (69, 3084389), (77, 2763933), (123, 1730267), (161, 1321881), (231, 921311), (253, 841197), (287, 741543), (451, 471891), (483, 440627), (759, 280399), (861, 247181), (943, 225687), (977, 217833), (1353, 157297), (1771, 120171), (2829, 75229), (2931, 72611), (3157, 67413), (5313, 40057), (6601, 32241), (6839, 31119), (9471, 22471), (10373, 20517), (10747, 19803)]