2991177

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{601}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 5008640

約数和(自身を除く): 2017463

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 601, 711, 1659, 1803, 4207, 4977, 5409, 12621, 37863, 47479, 142437, 332353, 427311, 997059, 2991177]

約数ペア:

[(1, 2991177), (3, 997059), (7, 427311), (9, 332353), (21, 142437), (63, 47479), (79, 37863), (237, 12621), (553, 5409), (601, 4977), (711, 4207), (1659, 1803)]