81420009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{1489}}^1\times {\mathrm{1657}}^1$

素因数の和:3160

約数の個数: 16

約数和(自身を含む): 118580160

約数和(自身を除く): 37160151

約数列:

[1, 3, 11, 33, 1489, 1657, 4467, 4971, 16379, 18227, 49137, 54681, 2467273, 7401819, 27140003, 81420009]

約数ペア:

[(1, 81420009), (3, 27140003), (11, 7401819), (33, 2467273), (1489, 54681), (1657, 49137), (4467, 18227), (4971, 16379)]