40458609

素因数分解:

$3^4\times {\mathrm{307}}^1\times {\mathrm{1627}}^1$

素因数の和:1946

約数の個数: 20

約数和(自身を含む): 60672304

約数和(自身を除く): 20213695

約数列:

[1, 3, 9, 27, 81, 307, 921, 1627, 2763, 4881, 8289, 14643, 24867, 43929, 131787, 499489, 1498467, 4495401, 13486203, 40458609]

約数ペア:

[(1, 40458609), (3, 13486203), (9, 4495401), (27, 1498467), (81, 499489), (307, 131787), (921, 43929), (1627, 24867), (2763, 14643), (4881, 8289)]