68721453

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{20693}}^1$

素因数の和:20746

約数の個数: 20

約数和(自身を含む): 105166908

約数和(自身を除く): 36445455

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 20693, 62079, 186237, 558711, 848413, 1676133, 2545239, 7635717, 22907151, 68721453]

約数ペア:

[(1, 68721453), (3, 22907151), (9, 7635717), (27, 2545239), (41, 1676133), (81, 848413), (123, 558711), (369, 186237), (1107, 62079), (3321, 20693)]