15990951

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{127}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 23111680

約数和(自身を除く): 7120729

約数列:

[1, 3, 19, 47, 57, 127, 141, 381, 893, 2209, 2413, 2679, 5969, 6627, 7239, 17907, 41971, 113411, 125913, 280543, 340233, 841629, 5330317, 15990951]

約数ペア:

[(1, 15990951), (3, 5330317), (19, 841629), (47, 340233), (57, 280543), (127, 125913), (141, 113411), (381, 41971), (893, 17907), (2209, 7239), (2413, 6627), (2679, 5969)]