8780157

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{1777}}^1$

素因数の和:1850

約数の個数: 20

約数和(自身を含む): 13338556

約数和(自身を除く): 4558399

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 1777, 4941, 5331, 15993, 47979, 108397, 143937, 325191, 975573, 2926719, 8780157]

約数ペア:

[(1, 8780157), (3, 2926719), (9, 975573), (27, 325191), (61, 143937), (81, 108397), (183, 47979), (549, 15993), (1647, 5331), (1777, 4941)]