28878057

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4657}}^1$

素因数の和:4729

約数の個数: 24

約数和(自身を含む): 45778824

約数和(自身を除く): 16900767

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 477, 689, 2067, 4657, 6201, 13971, 41913, 60541, 181623, 246821, 544869, 740463, 2221389, 3208673, 9626019, 28878057]

約数ペア:

[(1, 28878057), (3, 9626019), (9, 3208673), (13, 2221389), (39, 740463), (53, 544869), (117, 246821), (159, 181623), (477, 60541), (689, 41913), (2067, 13971), (4657, 6201)]