16391319

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41081}}^1$

素因数の和:41110

約数の個数: 16

約数和(自身を含む): 26292480

約数和(自身を除く): 9901161

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 41081, 123243, 287567, 780539, 862701, 2341617, 5463773, 16391319]

約数ペア:

[(1, 16391319), (3, 5463773), (7, 2341617), (19, 862701), (21, 780539), (57, 287567), (133, 123243), (399, 41081)]