28173277

素因数分解:

${\mathrm{11}}^3\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:441

約数の個数: 16

約数和(自身を含む): 31587264

約数和(自身を除く): 3413987

約数列:

[1, 11, 61, 121, 347, 671, 1331, 3817, 7381, 21167, 41987, 81191, 232837, 461857, 2561207, 28173277]

約数ペア:

[(1, 28173277), (11, 2561207), (61, 461857), (121, 232837), (347, 81191), (671, 41987), (1331, 21167), (3817, 7381)]