8781021

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{17117}}^1$

素因数の和:17145

約数の個数: 16

約数和(自身を含む): 13694400

約数和(自身を除く): 4913379

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 17117, 51351, 154053, 325223, 462159, 975669, 2927007, 8781021]

約数ペア:

[(1, 8781021), (3, 2927007), (9, 975669), (19, 462159), (27, 325223), (57, 154053), (171, 51351), (513, 17117)]