1671489

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2037

約数の個数: 16

約数和(自身を含む): 2557440

約数和(自身を除く): 885951

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 1997, 5991, 17973, 53919, 61907, 185721, 557163, 1671489]

約数ペア:

[(1, 1671489), (3, 557163), (9, 185721), (27, 61907), (31, 53919), (93, 17973), (279, 5991), (837, 1997)]