1978227951

素因数分解:

$3^1\times 7^2\times {\mathrm{13457333}}^1$

素因数の和:13457350

約数の個数: 12

約数和(自身を含む): 3068272152

約数和(自身を除く): 1090044201

約数列:

[1, 3, 7, 21, 49, 147, 13457333, 40371999, 94201331, 282603993, 659409317, 1978227951]

約数ペア:

[(1, 1978227951), (3, 659409317), (7, 282603993), (21, 94201331), (49, 40371999), (147, 13457333)]