129675399

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{325001}}^1$

素因数の和:325030

約数の個数: 16

約数和(自身を含む): 208001280

約数和(自身を除く): 78325881

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 325001, 975003, 2275007, 6175019, 6825021, 18525057, 43225133, 129675399]

約数ペア:

[(1, 129675399), (3, 43225133), (7, 18525057), (19, 6825021), (21, 6175019), (57, 2275007), (133, 975003), (399, 325001)]