18016521

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{7057}}^1$

素因数の和:7120

約数の個数: 16

約数和(自身を含む): 25747584

約数和(自身を除く): 7731063

約数列:

[1, 3, 23, 37, 69, 111, 851, 2553, 7057, 21171, 162311, 261109, 486933, 783327, 6005507, 18016521]

約数ペア:

[(1, 18016521), (3, 6005507), (23, 783327), (37, 486933), (69, 261109), (111, 162311), (851, 21171), (2553, 7057)]