245210007

素因数分解:

$3^1\times 7^1\times {\mathrm{1777}}^1\times {\mathrm{6571}}^1$

素因数の和:8358

約数の個数: 16

約数和(自身を含む): 373920512

約数和(自身を除く): 128710505

約数列:

[1, 3, 7, 21, 1777, 5331, 6571, 12439, 19713, 37317, 45997, 137991, 11676667, 35030001, 81736669, 245210007]

約数ペア:

[(1, 245210007), (3, 81736669), (7, 35030001), (21, 11676667), (1777, 137991), (5331, 45997), (6571, 37317), (12439, 19713)]