81084159

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{77003}}^1$

素因数の和:77028

約数の個数: 20

約数和(自身を含む): 130444776

約数和(自身を除く): 49360617

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 77003, 231009, 693027, 1001039, 2079081, 3003117, 6237243, 9009351, 27028053, 81084159]

約数ペア:

[(1, 81084159), (3, 27028053), (9, 9009351), (13, 6237243), (27, 3003117), (39, 2079081), (81, 1001039), (117, 693027), (351, 231009), (1053, 77003)]