1397804919

素因数分解:

$3^1\times 7^3\times {\mathrm{1358411}}^1$

素因数の和:1358435

約数の個数: 16

約数和(自身を含む): 2173459200

約数和(自身を除く): 775654281

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1358411, 4075233, 9508877, 28526631, 66562139, 199686417, 465934973, 1397804919]

約数ペア:

[(1, 1397804919), (3, 465934973), (7, 199686417), (21, 66562139), (49, 28526631), (147, 9508877), (343, 4075233), (1029, 1358411)]