81661527

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{7253}}^1$

素因数の和:7404

約数の個数: 20

約数和(自身を含む): 122882760

約数和(自身を除く): 41221233

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 7253, 11259, 21759, 65277, 195831, 587493, 1008167, 3024501, 9073503, 27220509, 81661527]

約数ペア:

[(1, 81661527), (3, 27220509), (9, 9073503), (27, 3024501), (81, 1008167), (139, 587493), (417, 195831), (1251, 65277), (3753, 21759), (7253, 11259)]