5138721

素因数分解:

$3^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:97

約数の個数: 56

約数和(自身を含む): 9443520

約数和(自身を除く): 4304799

約数列:

[1, 3, 7, 9, 19, 21, 27, 53, 57, 63, 81, 133, 159, 171, 189, 243, 371, 399, 477, 513, 567, 729, 1007, 1113, 1197, 1431, 1539, 1701, 3021, 3339, 3591, 4293, 4617, 5103, 7049, 9063, 10017, 10773, 12879, 13851, 21147, 27189, 30051, 32319, 38637, 63441, 81567, 90153, 96957, 190323, 244701, 270459, 570969, 734103, 1712907, 5138721]

約数ペア:

[(1, 5138721), (3, 1712907), (7, 734103), (9, 570969), (19, 270459), (21, 244701), (27, 190323), (53, 96957), (57, 90153), (63, 81567), (81, 63441), (133, 38637), (159, 32319), (171, 30051), (189, 27189), (243, 21147), (371, 13851), (399, 12879), (477, 10773), (513, 10017), (567, 9063), (729, 7049), (1007, 5103), (1113, 4617), (1197, 4293), (1431, 3591), (1539, 3339), (1701, 3021)]