218189391

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{102871}}^1$

素因数の和:102982

約数の個数: 16

約数和(自身を含む): 335774208

約数和(自身を除く): 117584817

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 102871, 308613, 720097, 2160291, 10389971, 31169913, 72729797, 218189391]

約数ペア:

[(1, 218189391), (3, 72729797), (7, 31169913), (21, 10389971), (101, 2160291), (303, 720097), (707, 308613), (2121, 102871)]