2781887421

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{2063}}^1\times {\mathrm{19543}}^1$

素因数の和:21632

約数の個数: 16

約数和(自身を含む): 3872526336

約数和(自身を除く): 1090638915

約数列:

[1, 3, 23, 69, 2063, 6189, 19543, 47449, 58629, 142347, 449489, 1348467, 40317209, 120951627, 927295807, 2781887421]

約数ペア:

[(1, 2781887421), (3, 927295807), (23, 120951627), (69, 40317209), (2063, 1348467), (6189, 449489), (19543, 142347), (47449, 58629)]