1560986721

素因数分解:

$3^4\times 7^1\times {\mathrm{2753063}}^1$

素因数の和:2753082

約数の個数: 20

約数和(自身を含む): 2664965952

約数和(自身を除く): 1103979231

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 2753063, 8259189, 19271441, 24777567, 57814323, 74332701, 173442969, 222998103, 520328907, 1560986721]

約数ペア:

[(1, 1560986721), (3, 520328907), (7, 222998103), (9, 173442969), (21, 74332701), (27, 57814323), (63, 24777567), (81, 19271441), (189, 8259189), (567, 2753063)]