389790009

素因数分解:

$3^3\times 7^1\times {\mathrm{2062381}}^1$

素因数の和:2062397

約数の個数: 16

約数和(自身を含む): 659962240

約数和(自身を除く): 270172231

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2062381, 6187143, 14436667, 18561429, 43310001, 55684287, 129930003, 389790009]

約数ペア:

[(1, 389790009), (3, 129930003), (7, 55684287), (9, 43310001), (21, 18561429), (27, 14436667), (63, 6187143), (189, 2062381)]