15953217

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39983}}^1$

素因数の和:40012

約数の個数: 16

約数和(自身を含む): 25589760

約数和(自身を除く): 9636543

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 39983, 119949, 279881, 759677, 839643, 2279031, 5317739, 15953217]

約数ペア:

[(1, 15953217), (3, 5317739), (7, 2279031), (19, 839643), (21, 759677), (57, 279881), (133, 119949), (399, 39983)]