12972705

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{18401}}^1$

素因数の和:18456

約数の個数: 16

約数和(自身を含む): 21199104

約数和(自身を除く): 8226399

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 18401, 55203, 92005, 276015, 864847, 2594541, 4324235, 12972705]

約数ペア:

[(1, 12972705), (3, 4324235), (5, 2594541), (15, 864847), (47, 276015), (141, 92005), (235, 55203), (705, 18401)]