158004399

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{396001}}^1$

素因数の和:396030

約数の個数: 16

約数和(自身を含む): 253441280

約数和(自身を除く): 95436881

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 396001, 1188003, 2772007, 7524019, 8316021, 22572057, 52668133, 158004399]

約数ペア:

[(1, 158004399), (3, 52668133), (7, 22572057), (19, 8316021), (21, 7524019), (57, 2772007), (133, 1188003), (399, 396001)]