406052073

素因数分解:

$3^2\times 7^2\times {\mathrm{920753}}^1$

素因数の和:920773

約数の個数: 18

約数和(自身を含む): 682278714

約数和(自身を除く): 276226641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 920753, 2762259, 6445271, 8286777, 19335813, 45116897, 58007439, 135350691, 406052073]

約数ペア:

[(1, 406052073), (3, 135350691), (7, 58007439), (9, 45116897), (21, 19335813), (49, 8286777), (63, 6445271), (147, 2762259), (441, 920753)]