2561949

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{811}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 4137952

約数和(自身を除く): 1576003

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 811, 1053, 2433, 3159, 7299, 10543, 21897, 31629, 65691, 94887, 197073, 284661, 853983, 2561949]

約数ペア:

[(1, 2561949), (3, 853983), (9, 284661), (13, 197073), (27, 94887), (39, 65691), (81, 31629), (117, 21897), (243, 10543), (351, 7299), (811, 3159), (1053, 2433)]