201428721

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{573871}}^1$

素因数の和:573893

約数の個数: 16

約数和(自身を含む): 321368320

約数和(自身を除く): 119939599

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 573871, 1721613, 5164839, 7460323, 15494517, 22380969, 67142907, 201428721]

約数ペア:

[(1, 201428721), (3, 67142907), (9, 22380969), (13, 15494517), (27, 7460323), (39, 5164839), (117, 1721613), (351, 573871)]