391479426

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{557663}}^1$

素因数の和:557687

約数の個数: 32

約数和(自身を含む): 936875520

約数和(自身を除く): 545396094

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 557663, 1115326, 1672989, 3345978, 5018967, 7249619, 10037934, 14499238, 15056901, 21748857, 30113802, 43497714, 65246571, 130493142, 195739713, 391479426]

約数ペア:

[(1, 391479426), (2, 195739713), (3, 130493142), (6, 65246571), (9, 43497714), (13, 30113802), (18, 21748857), (26, 15056901), (27, 14499238), (39, 10037934), (54, 7249619), (78, 5018967), (117, 3345978), (234, 1672989), (351, 1115326), (702, 557663)]