121918321

素因数分解:

$7^3\times {\mathrm{61}}^1\times {\mathrm{5827}}^1$

素因数の和:5909

約数の個数: 16

約数和(自身を含む): 144534400

約数和(自身を除く): 22616079

約数列:

[1, 7, 49, 61, 343, 427, 2989, 5827, 20923, 40789, 285523, 355447, 1998661, 2488129, 17416903, 121918321]

約数ペア:

[(1, 121918321), (7, 17416903), (49, 2488129), (61, 1998661), (343, 355447), (427, 285523), (2989, 40789), (5827, 20923)]