2767863

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1027

約数の個数: 24

約数和(自身を含む): 4523520

約数和(自身を除く): 1755657

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 991, 2793, 2973, 6937, 18829, 20811, 48559, 56487, 131803, 145677, 395409, 922621, 2767863]

約数ペア:

[(1, 2767863), (3, 922621), (7, 395409), (19, 145677), (21, 131803), (49, 56487), (57, 48559), (133, 20811), (147, 18829), (399, 6937), (931, 2973), (991, 2793)]