172545121

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 215654400

約数和(自身を除く): 43109279

約数列:

[1, 7, 17, 49, 119, 127, 233, 343, 833, 889, 1631, 2159, 3961, 5831, 6223, 11417, 15113, 27727, 29591, 43561, 79919, 105791, 194089, 207137, 503047, 740537, 1358623, 1449959, 3521329, 10149713, 24649303, 172545121]

約数ペア:

[(1, 172545121), (7, 24649303), (17, 10149713), (49, 3521329), (119, 1449959), (127, 1358623), (233, 740537), (343, 503047), (833, 207137), (889, 194089), (1631, 105791), (2159, 79919), (3961, 43561), (5831, 29591), (6223, 27727), (11417, 15113)]