15857855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 22063104

約数和(自身を除く): 6205249

約数列:

[1, 5, 13, 17, 65, 85, 113, 127, 221, 565, 635, 1105, 1469, 1651, 1921, 2159, 7345, 8255, 9605, 10795, 14351, 24973, 28067, 71755, 124865, 140335, 186563, 243967, 932815, 1219835, 3171571, 15857855]

約数ペア:

[(1, 15857855), (5, 3171571), (13, 1219835), (17, 932815), (65, 243967), (85, 186563), (113, 140335), (127, 124865), (221, 71755), (565, 28067), (635, 24973), (1105, 14351), (1469, 10795), (1651, 9605), (1921, 8255), (2159, 7345)]