278322939

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{141209}}^1$

素因数の和:141291

約数の個数: 16

約数和(自身を含む): 417981600

約数和(自身を除く): 139658661

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 141209, 423627, 1270881, 3812643, 10308257, 30924771, 92774313, 278322939]

約数ペア:

[(1, 278322939), (3, 92774313), (9, 30924771), (27, 10308257), (73, 3812643), (219, 1270881), (657, 423627), (1971, 141209)]