227767239

素因数分解:

$3^2\times 7^2\times {\mathrm{239}}^1\times {\mathrm{2161}}^1$

素因数の和:2420

約数の個数: 36

約数和(自身を含む): 384490080

約数和(自身を除く): 156722841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 239, 441, 717, 1673, 2151, 2161, 5019, 6483, 11711, 15057, 15127, 19449, 35133, 45381, 105399, 105889, 136143, 317667, 516479, 953001, 1549437, 3615353, 4648311, 10846059, 25307471, 32538177, 75922413, 227767239]

約数ペア:

[(1, 227767239), (3, 75922413), (7, 32538177), (9, 25307471), (21, 10846059), (49, 4648311), (63, 3615353), (147, 1549437), (239, 953001), (441, 516479), (717, 317667), (1673, 136143), (2151, 105889), (2161, 105399), (5019, 45381), (6483, 35133), (11711, 19449), (15057, 15127)]