1280620615293

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{930007709}}^1$

素因数の和:930007738

約数の個数: 20

約数和(自身を含む): 2025556792380

約数和(自身を除く): 744936177087

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 930007709, 2790023127, 8370069381, 15810131053, 25110208143, 47430393159, 75330624429, 142291179477, 426873538431, 1280620615293]

約数ペア:

[(1, 1280620615293), (3, 426873538431), (9, 142291179477), (17, 75330624429), (27, 47430393159), (51, 25110208143), (81, 15810131053), (153, 8370069381), (459, 2790023127), (1377, 930007709)]