15567957

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{2707}}^1$

素因数の和:2790

約数の個数: 20

約数和(自身を含む): 23592096

約数和(自身を除く): 8024139

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 2707, 5751, 8121, 24363, 73089, 192197, 219267, 576591, 1729773, 5189319, 15567957]

約数ペア:

[(1, 15567957), (3, 5189319), (9, 1729773), (27, 576591), (71, 219267), (81, 192197), (213, 73089), (639, 24363), (1917, 8121), (2707, 5751)]