81170045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{39887}}^1$

素因数の和:39940

約数の個数: 16

約数和(自身を含む): 109133568

約数和(自身を除く): 27963523

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 39887, 199435, 438757, 1475819, 2193785, 7379095, 16234009, 81170045]

約数ペア:

[(1, 81170045), (5, 16234009), (11, 7379095), (37, 2193785), (55, 1475819), (185, 438757), (407, 199435), (2035, 39887)]