320775987

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{325001}}^1$

素因数の和:325058

約数の個数: 16

約数和(自身を含む): 499203072

約数和(自身を除く): 178427085

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 325001, 975003, 2275007, 6825021, 15275047, 45825141, 106925329, 320775987]

約数ペア:

[(1, 320775987), (3, 106925329), (7, 45825141), (21, 15275047), (47, 6825021), (141, 2275007), (329, 975003), (987, 325001)]