15517281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 24048640

約数和(自身を除く): 8531359

約数列:

[1, 3, 13, 19, 39, 43, 57, 129, 247, 487, 559, 741, 817, 1461, 1677, 2451, 6331, 9253, 10621, 18993, 20941, 27759, 31863, 62823, 120289, 272233, 360867, 397879, 816699, 1193637, 5172427, 15517281]

約数ペア:

[(1, 15517281), (3, 5172427), (13, 1193637), (19, 816699), (39, 397879), (43, 360867), (57, 272233), (129, 120289), (247, 62823), (487, 31863), (559, 27759), (741, 20941), (817, 18993), (1461, 10621), (1677, 9253), (2451, 6331)]