853983

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{811}}^1$

素因数の和:836

約数の個数: 20

約数和(自身を含む): 1375528

約数和(自身を除く): 521545

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 811, 1053, 2433, 7299, 10543, 21897, 31629, 65691, 94887, 284661, 853983]

約数ペア:

[(1, 853983), (3, 284661), (9, 94887), (13, 65691), (27, 31629), (39, 21897), (81, 10543), (117, 7299), (351, 2433), (811, 1053)]