639792009

素因数分解:

$3^2\times {\mathrm{227}}^1\times {\mathrm{313163}}^1$

素因数の和:313396

約数の個数: 12

約数和(自身を含む): 928218096

約数和(自身を除く): 288426087

約数列:

[1, 3, 9, 227, 681, 2043, 313163, 939489, 2818467, 71088001, 213264003, 639792009]

約数ペア:

[(1, 639792009), (3, 213264003), (9, 71088001), (227, 2818467), (681, 939489), (2043, 313163)]