1990757961

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{311}}^1\times {\mathrm{9743}}^1$

素因数の和:10133

約数の個数: 24

約数和(自身を含む): 2924603136

約数和(自身を除く): 933845175

約数列:

[1, 3, 9, 73, 219, 311, 657, 933, 2799, 9743, 22703, 29229, 68109, 87687, 204327, 711239, 2133717, 3030073, 6401151, 9090219, 27270657, 221195329, 663585987, 1990757961]

約数ペア:

[(1, 1990757961), (3, 663585987), (9, 221195329), (73, 27270657), (219, 9090219), (311, 6401151), (657, 3030073), (933, 2133717), (2799, 711239), (9743, 204327), (22703, 87687), (29229, 68109)]