12090105

素因数分解:

$3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1553}}^1$

素因数の和:1737

約数の個数: 24

約数和(自身を含む): 21090888

約数和(自身を除く): 9000783

約数列:

[1, 3, 5, 9, 15, 45, 173, 519, 865, 1553, 1557, 2595, 4659, 7765, 7785, 13977, 23295, 69885, 268669, 806007, 1343345, 2418021, 4030035, 12090105]

約数ペア:

[(1, 12090105), (3, 4030035), (5, 2418021), (9, 1343345), (15, 806007), (45, 268669), (173, 69885), (519, 23295), (865, 13977), (1553, 7785), (1557, 7765), (2595, 4659)]