40808853

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{3209}}^1$

素因数の和:3378

約数の個数: 20

約数和(自身を含む): 61368780

約数和(自身を除く): 20559927

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 3209, 4239, 9627, 12717, 28881, 86643, 259929, 503813, 1511439, 4534317, 13602951, 40808853]

約数ペア:

[(1, 40808853), (3, 13602951), (9, 4534317), (27, 1511439), (81, 503813), (157, 259929), (471, 86643), (1413, 28881), (3209, 12717), (4239, 9627)]