2889968403

素因数分解:

$3^1\times 7^2\times {\mathrm{19659649}}^1$

素因数の和:19659666

約数の個数: 12

約数和(自身を含む): 4482400200

約数和(自身を除く): 1592431797

約数列:

[1, 3, 7, 21, 49, 147, 19659649, 58978947, 137617543, 412852629, 963322801, 2889968403]

約数ペア:

[(1, 2889968403), (3, 963322801), (7, 412852629), (21, 137617543), (49, 58978947), (147, 19659649)]