28620669

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6521}}^1$

素因数の和:6561

約数の個数: 32

約数和(自身を含む): 50088960

約数和(自身を除く): 21468291

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 6521, 19563, 45647, 71731, 123899, 136941, 215193, 371697, 502117, 867293, 1362889, 1506351, 2601879, 4088667, 9540223, 28620669]

約数ペア:

[(1, 28620669), (3, 9540223), (7, 4088667), (11, 2601879), (19, 1506351), (21, 1362889), (33, 867293), (57, 502117), (77, 371697), (133, 215193), (209, 136941), (231, 123899), (399, 71731), (627, 45647), (1463, 19563), (4389, 6521)]