15156813

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37987}}^1$

素因数の和:38016

約数の個数: 16

約数和(自身を含む): 24312320

約数和(自身を除く): 9155507

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 37987, 113961, 265909, 721753, 797727, 2165259, 5052271, 15156813]

約数ペア:

[(1, 15156813), (3, 5052271), (7, 2165259), (19, 797727), (21, 721753), (57, 265909), (133, 113961), (399, 37987)]