397715517

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{27061}}^1$

素因数の和:27161

約数の個数: 24

約数和(自身を含む): 607920768

約数和(自身を除く): 210205251

約数列:

[1, 3, 9, 23, 69, 71, 207, 213, 639, 1633, 4899, 14697, 27061, 81183, 243549, 622403, 1867209, 1921331, 5601627, 5763993, 17291979, 44190613, 132571839, 397715517]

約数ペア:

[(1, 397715517), (3, 132571839), (9, 44190613), (23, 17291979), (69, 5763993), (71, 5601627), (207, 1921331), (213, 1867209), (639, 622403), (1633, 243549), (4899, 81183), (14697, 27061)]