81305119

素因数分解:

$7^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1\times {\mathrm{443}}^1$

素因数の和:774

約数の個数: 16

約数和(自身を含む): 94284288

約数和(自身を除く): 12979169

約数列:

[1, 7, 157, 167, 443, 1099, 1169, 3101, 26219, 69551, 73981, 183533, 486857, 517867, 11615017, 81305119]

約数ペア:

[(1, 81305119), (7, 11615017), (157, 517867), (167, 486857), (443, 183533), (1099, 73981), (1169, 69551), (3101, 26219)]