40539771

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{3359}}^1$

素因数の和:3520

約数の個数: 20

約数和(自身を含む): 60984000

約数和(自身を除く): 20444229

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 3359, 4023, 10077, 12069, 30231, 90693, 272079, 500491, 1501473, 4504419, 13513257, 40539771]

約数ペア:

[(1, 40539771), (3, 13513257), (9, 4504419), (27, 1501473), (81, 500491), (149, 272079), (447, 90693), (1341, 30231), (3359, 12069), (4023, 10077)]