131120787

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{57283}}^1$

素因数の和:57402

約数の個数: 16

約数和(自身を含む): 201639680

約数和(自身を除く): 70518893

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 57283, 171849, 400981, 1202943, 6243847, 18731541, 43706929, 131120787]

約数ペア:

[(1, 131120787), (3, 43706929), (7, 18731541), (21, 6243847), (109, 1202943), (327, 400981), (763, 171849), (2289, 57283)]