131515027

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{601}}^1\times {\mathrm{727}}^1$

素因数の和:1378

約数の個数: 16

約数和(自身を含む): 154266112

約数和(自身を除く): 22751085

約数列:

[1, 7, 43, 301, 601, 727, 4207, 5089, 25843, 31261, 180901, 218827, 436927, 3058489, 18787861, 131515027]

約数ペア:

[(1, 131515027), (7, 18787861), (43, 3058489), (301, 436927), (601, 218827), (727, 180901), (4207, 31261), (5089, 25843)]