291223317

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9479}}^1$

素因数の和:9526

約数の個数: 48

約数和(自身を含む): 518745600

約数和(自身を除く): 227522283

約数列:

[1, 3, 7, 11, 19, 21, 33, 49, 57, 77, 133, 147, 209, 231, 399, 539, 627, 931, 1463, 1617, 2793, 4389, 9479, 10241, 28437, 30723, 66353, 104269, 180101, 199059, 312807, 464471, 540303, 729883, 1260707, 1393413, 1981111, 2189649, 3782121, 5109181, 5943333, 8824949, 13867777, 15327543, 26474847, 41603331, 97074439, 291223317]

約数ペア:

[(1, 291223317), (3, 97074439), (7, 41603331), (11, 26474847), (19, 15327543), (21, 13867777), (33, 8824949), (49, 5943333), (57, 5109181), (77, 3782121), (133, 2189649), (147, 1981111), (209, 1393413), (231, 1260707), (399, 729883), (539, 540303), (627, 464471), (931, 312807), (1463, 199059), (1617, 180101), (2793, 104269), (4389, 66353), (9479, 30723), (10241, 28437)]