81354717

素因数分解:

$3^2\times {\mathrm{503}}^1\times {\mathrm{17971}}^1$

素因数の和:18480

約数の個数: 12

約数和(自身を含む): 117752544

約数和(自身を除く): 36397827

約数列:

[1, 3, 9, 503, 1509, 4527, 17971, 53913, 161739, 9039413, 27118239, 81354717]

約数ペア:

[(1, 81354717), (3, 27118239), (9, 9039413), (503, 161739), (1509, 53913), (4527, 17971)]