40978953

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{26627}}^1$

素因数の和:26658

約数の個数: 20

約数和(自身を含む): 64439760

約数和(自身を除く): 23460807

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 26627, 79881, 239643, 505913, 718929, 1517739, 2156787, 4553217, 13659651, 40978953]

約数ペア:

[(1, 40978953), (3, 13659651), (9, 4553217), (19, 2156787), (27, 1517739), (57, 718929), (81, 505913), (171, 239643), (513, 79881), (1539, 26627)]