2892729

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{991}}^1$

素因数の和:1140

約数の個数: 16

約数和(自身を含む): 4444160

約数和(自身を除く): 1551431

約数列:

[1, 3, 7, 21, 139, 417, 973, 991, 2919, 2973, 6937, 20811, 137749, 413247, 964243, 2892729]

約数ペア:

[(1, 2892729), (3, 964243), (7, 413247), (21, 137749), (139, 20811), (417, 6937), (973, 2973), (991, 2919)]