71525187

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{12437}}^1$

素因数の和:12520

約数の個数: 20

約数和(自身を含む): 108359856

約数和(自身を除く): 36834669

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 12437, 37311, 111933, 335799, 883027, 1007397, 2649081, 7947243, 23841729, 71525187]

約数ペア:

[(1, 71525187), (3, 23841729), (9, 7947243), (27, 2649081), (71, 1007397), (81, 883027), (213, 335799), (639, 111933), (1917, 37311), (5751, 12437)]