18122181

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4129}}^1$

素因数の和:4169

約数の個数: 32

約数和(自身を含む): 31718400

約数和(自身を除く): 13596219

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4129, 4389, 12387, 28903, 45419, 78451, 86709, 136257, 235353, 317933, 549157, 862961, 953799, 1647471, 2588883, 6040727, 18122181]

約数ペア:

[(1, 18122181), (3, 6040727), (7, 2588883), (11, 1647471), (19, 953799), (21, 862961), (33, 549157), (57, 317933), (77, 235353), (133, 136257), (209, 86709), (231, 78451), (399, 45419), (627, 28903), (1463, 12387), (4129, 4389)]