81286009

素因数分解:

$7^1\times {\mathrm{19}}^3\times {\mathrm{1693}}^1$

素因数の和:1757

約数の個数: 16

約数和(自身を含む): 98116480

約数和(自身を除く): 16830471

約数列:

[1, 7, 19, 133, 361, 1693, 2527, 6859, 11851, 32167, 48013, 225169, 611173, 4278211, 11612287, 81286009]

約数ペア:

[(1, 81286009), (7, 11612287), (19, 4278211), (133, 611173), (361, 225169), (1693, 48013), (2527, 32167), (6859, 11851)]