1680860187

素因数分解:

$3^3\times {\mathrm{2693}}^1\times {\mathrm{23117}}^1$

素因数の和:25819

約数の個数: 16

約数和(自身を含む): 2491195680

約数和(自身を除く): 810335493

約数列:

[1, 3, 9, 27, 2693, 8079, 23117, 24237, 69351, 72711, 208053, 624159, 62254081, 186762243, 560286729, 1680860187]

約数ペア:

[(1, 1680860187), (3, 560286729), (9, 186762243), (27, 62254081), (2693, 624159), (8079, 208053), (23117, 72711), (24237, 69351)]