131507439

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{39887}}^1$

素因数の和:40054

約数の個数: 16

約数和(自身を含む): 201673728

約数和(自身を除く): 70166289

約数列:

[1, 3, 7, 21, 157, 471, 1099, 3297, 39887, 119661, 279209, 837627, 6262259, 18786777, 43835813, 131507439]

約数ペア:

[(1, 131507439), (3, 43835813), (7, 18786777), (21, 6262259), (157, 837627), (471, 279209), (1099, 119661), (3297, 39887)]