258557373

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{281}}^1\times {\mathrm{643}}^1$

素因数の和:986

約数の個数: 32

約数和(自身を含む): 392273280

約数和(自身を除く): 133715907

約数列:

[1, 3, 9, 27, 53, 159, 281, 477, 643, 843, 1431, 1929, 2529, 5787, 7587, 14893, 17361, 34079, 44679, 102237, 134037, 180683, 306711, 402111, 542049, 920133, 1626147, 4878441, 9576199, 28728597, 86185791, 258557373]

約数ペア:

[(1, 258557373), (3, 86185791), (9, 28728597), (27, 9576199), (53, 4878441), (159, 1626147), (281, 920133), (477, 542049), (643, 402111), (843, 306711), (1431, 180683), (1929, 134037), (2529, 102237), (5787, 44679), (7587, 34079), (14893, 17361)]