2571681

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{811}}^1$

素因数の和:972

約数の個数: 16

約数和(自身を含む): 3949568

約数和(自身を除く): 1377887

約数列:

[1, 3, 7, 21, 151, 453, 811, 1057, 2433, 3171, 5677, 17031, 122461, 367383, 857227, 2571681]

約数ペア:

[(1, 2571681), (3, 857227), (7, 367383), (21, 122461), (151, 17031), (453, 5677), (811, 3171), (1057, 2433)]