28176903

素因数分解:

$3^4\times {\mathrm{541}}^1\times {\mathrm{643}}^1$

素因数の和:1196

約数の個数: 20

約数和(自身を含む): 42234808

約数和(自身を除く): 14057905

約数列:

[1, 3, 9, 27, 81, 541, 643, 1623, 1929, 4869, 5787, 14607, 17361, 43821, 52083, 347863, 1043589, 3130767, 9392301, 28176903]

約数ペア:

[(1, 28176903), (3, 9392301), (9, 3130767), (27, 1043589), (81, 347863), (541, 52083), (643, 43821), (1623, 17361), (1929, 14607), (4869, 5787)]