6720688023

素因数分解:

$3^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{406649}}^1$

素因数の和:407446

約数の個数: 16

約数和(自身を含む): 10254086400

約数和(自身を除く): 3533398377

約数列:

[1, 3, 7, 21, 787, 2361, 5509, 16527, 406649, 1219947, 2846543, 8539629, 320032763, 960098289, 2240229341, 6720688023]

約数ペア:

[(1, 6720688023), (3, 2240229341), (7, 960098289), (21, 320032763), (787, 8539629), (2361, 2846543), (5509, 1219947), (16527, 406649)]