12489795

素因数分解:

$3^4\times 5^1\times {\mathrm{30839}}^1$

素因数の和:30856

約数の個数: 20

約数和(自身を含む): 22389840

約数和(自身を除く): 9900045

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 30839, 92517, 154195, 277551, 462585, 832653, 1387755, 2497959, 4163265, 12489795]

約数ペア:

[(1, 12489795), (3, 4163265), (5, 2497959), (9, 1387755), (15, 832653), (27, 462585), (45, 277551), (81, 154195), (135, 92517), (405, 30839)]