81499131

素因数分解:

$3^2\times 7^1\times {\mathrm{863}}^1\times {\mathrm{1499}}^1$

素因数の和:2375

約数の個数: 24

約数和(自身を含む): 134784000

約数和(自身を除く): 53284869

約数列:

[1, 3, 7, 9, 21, 63, 863, 1499, 2589, 4497, 6041, 7767, 10493, 13491, 18123, 31479, 54369, 94437, 1293637, 3880911, 9055459, 11642733, 27166377, 81499131]

約数ペア:

[(1, 81499131), (3, 27166377), (7, 11642733), (9, 9055459), (21, 3880911), (63, 1293637), (863, 94437), (1499, 54369), (2589, 31479), (4497, 18123), (6041, 13491), (7767, 10493)]