16860717

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{5077}}^1$

素因数の和:5130

約数の個数: 20

約数和(自身を含む): 25806396

約数和(自身を除く): 8945679

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 5077, 15231, 45693, 137079, 208157, 411237, 624471, 1873413, 5620239, 16860717]

約数ペア:

[(1, 16860717), (3, 5620239), (9, 1873413), (27, 624471), (41, 411237), (81, 208157), (123, 137079), (369, 45693), (1107, 15231), (3321, 5077)]