81272007

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{2377}}^1$

素因数の和:2543

約数の個数: 24

約数和(自身を含む): 122419440

約数和(自身を除く): 41147433

約数列:

[1, 3, 9, 29, 87, 131, 261, 393, 1179, 2377, 3799, 7131, 11397, 21393, 34191, 68933, 206799, 311387, 620397, 934161, 2802483, 9030223, 27090669, 81272007]

約数ペア:

[(1, 81272007), (3, 27090669), (9, 9030223), (29, 2802483), (87, 934161), (131, 620397), (261, 311387), (393, 206799), (1179, 68933), (2377, 34191), (3799, 21393), (7131, 11397)]