148968153

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{25903}}^1$

素因数の和:25986

約数の個数: 20

約数和(自身を含む): 225675648

約数和(自身を除く): 76707495

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 25903, 77709, 233127, 699381, 1839113, 2098143, 5517339, 16552017, 49656051, 148968153]

約数ペア:

[(1, 148968153), (3, 49656051), (9, 16552017), (27, 5517339), (71, 2098143), (81, 1839113), (213, 699381), (639, 233127), (1917, 77709), (5751, 25903)]