31356639

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{5303}}^1$

素因数の和:5388

約数の個数: 20

約数和(自身を含む): 47492016

約数和(自身を除く): 16135377

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5303, 5913, 15909, 47727, 143181, 387119, 429543, 1161357, 3484071, 10452213, 31356639]

約数ペア:

[(1, 31356639), (3, 10452213), (9, 3484071), (27, 1161357), (73, 429543), (81, 387119), (219, 143181), (657, 47727), (1971, 15909), (5303, 5913)]