490996863

素因数分解:

$3^3\times 7^1\times {\mathrm{2597867}}^1$

素因数の和:2597883

約数の個数: 16

約数和(自身を含む): 831317760

約数和(自身を除く): 340320897

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2597867, 7793601, 18185069, 23380803, 54555207, 70142409, 163665621, 490996863]

約数ペア:

[(1, 490996863), (3, 163665621), (7, 70142409), (9, 54555207), (21, 23380803), (27, 18185069), (63, 7793601), (189, 2597867)]