389660787

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{65899}}^1$

素因数の和:65984

約数の個数: 20

約数和(自身を含む): 590068600

約数和(自身を除く): 200407813

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 65899, 197697, 593091, 1779273, 4810627, 5337819, 14431881, 43295643, 129886929, 389660787]

約数ペア:

[(1, 389660787), (3, 129886929), (9, 43295643), (27, 14431881), (73, 5337819), (81, 4810627), (219, 1779273), (657, 593091), (1971, 197697), (5913, 65899)]