77887899

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{18143}}^1$

素因数の和:18208

約数の個数: 20

約数和(自身を含む): 118552896

約数和(自身を除く): 40664997

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 18143, 54429, 163287, 489861, 961579, 1469583, 2884737, 8654211, 25962633, 77887899]

約数ペア:

[(1, 77887899), (3, 25962633), (9, 8654211), (27, 2884737), (53, 1469583), (81, 961579), (159, 489861), (477, 163287), (1431, 54429), (4293, 18143)]