80520381

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{12239}}^1$

素因数の和:12305

約数の個数: 24

約数和(自身を含む): 126023040

約数和(自身を除く): 45502659

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 6579, 12239, 36717, 110151, 208063, 526277, 624189, 1578831, 1872567, 4736493, 8946709, 26840127, 80520381]

約数ペア:

[(1, 80520381), (3, 26840127), (9, 8946709), (17, 4736493), (43, 1872567), (51, 1578831), (129, 624189), (153, 526277), (387, 208063), (731, 110151), (2193, 36717), (6579, 12239)]