320173959

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{802441}}^1$

素因数の和:802470

約数の個数: 16

約数和(自身を含む): 513562880

約数和(自身を除く): 193388921

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 802441, 2407323, 5617087, 15246379, 16851261, 45739137, 106724653, 320173959]

約数ペア:

[(1, 320173959), (3, 106724653), (7, 45739137), (19, 16851261), (21, 15246379), (57, 5617087), (133, 2407323), (399, 802441)]