81704883

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1553}}^1$

素因数の和:1659

約数の個数: 32

約数和(自身を含む): 125314560

約数和(自身を除く): 43609677

約数列:

[1, 3, 13, 19, 39, 57, 71, 213, 247, 741, 923, 1349, 1553, 2769, 4047, 4659, 17537, 20189, 29507, 52611, 60567, 88521, 110263, 330789, 383591, 1150773, 1433419, 2094997, 4300257, 6284991, 27234961, 81704883]

約数ペア:

[(1, 81704883), (3, 27234961), (13, 6284991), (19, 4300257), (39, 2094997), (57, 1433419), (71, 1150773), (213, 383591), (247, 330789), (741, 110263), (923, 88521), (1349, 60567), (1553, 52611), (2769, 29507), (4047, 20189), (4659, 17537)]