80190117

素因数分解:

$3^2\times 7^2\times {\mathrm{181837}}^1$

素因数の和:181857

約数の個数: 18

約数和(自身を含む): 134741958

約数和(自身を除く): 54551841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 181837, 545511, 1272859, 1636533, 3818577, 8910013, 11455731, 26730039, 80190117]

約数ペア:

[(1, 80190117), (3, 26730039), (7, 11455731), (9, 8910013), (21, 3818577), (49, 1636533), (63, 1272859), (147, 545511), (441, 181837)]