27980259

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 40894464

約数和(自身を除く): 12914205

約数列:

[1, 3, 23, 31, 69, 93, 103, 127, 309, 381, 713, 2139, 2369, 2921, 3193, 3937, 7107, 8763, 9579, 11811, 13081, 39243, 73439, 90551, 220317, 271653, 300863, 405511, 902589, 1216533, 9326753, 27980259]

約数ペア:

[(1, 27980259), (3, 9326753), (23, 1216533), (31, 902589), (69, 405511), (93, 300863), (103, 271653), (127, 220317), (309, 90551), (381, 73439), (713, 39243), (2139, 13081), (2369, 11811), (2921, 9579), (3193, 8763), (3937, 7107)]