87181857

素因数分解:

$3^2\times 7^1\times {\mathrm{293}}^1\times {\mathrm{4723}}^1$

素因数の和:5029

約数の個数: 24

約数和(自身を含む): 144441024

約数和(自身を除く): 57259167

約数列:

[1, 3, 7, 9, 21, 63, 293, 879, 2051, 2637, 4723, 6153, 14169, 18459, 33061, 42507, 99183, 297549, 1383839, 4151517, 9686873, 12454551, 29060619, 87181857]

約数ペア:

[(1, 87181857), (3, 29060619), (7, 12454551), (9, 9686873), (21, 4151517), (63, 1383839), (293, 297549), (879, 99183), (2051, 42507), (2637, 33061), (4723, 18459), (6153, 14169)]