1640447667

素因数分解:

$3^3\times {\mathrm{4441}}^1\times {\mathrm{13681}}^1$

素因数の和:18131

約数の個数: 16

約数和(自身を含む): 2431017760

約数和(自身を除く): 790570093

約数列:

[1, 3, 9, 27, 4441, 13323, 13681, 39969, 41043, 119907, 123129, 369387, 60757321, 182271963, 546815889, 1640447667]

約数ペア:

[(1, 1640447667), (3, 546815889), (9, 182271963), (27, 60757321), (4441, 369387), (13323, 123129), (13681, 119907), (39969, 41043)]