461891889

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{121327}}^1$

素因数の和:121386

約数の個数: 20

約数和(自身を含む): 704673024

約数和(自身を除く): 242781135

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 121327, 363981, 1091943, 3275829, 5702369, 9827487, 17107107, 51321321, 153963963, 461891889]

約数ペア:

[(1, 461891889), (3, 153963963), (9, 51321321), (27, 17107107), (47, 9827487), (81, 5702369), (141, 3275829), (423, 1091943), (1269, 363981), (3807, 121327)]