27980487

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4253}}^1$

素因数の和:4319

約数の個数: 24

約数和(自身を含む): 43799184

約数和(自身を除く): 15818697

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 4253, 6579, 12759, 38277, 72301, 182879, 216903, 548637, 650709, 1645911, 3108943, 9326829, 27980487]

約数ペア:

[(1, 27980487), (3, 9326829), (9, 3108943), (17, 1645911), (43, 650709), (51, 548637), (129, 216903), (153, 182879), (387, 72301), (731, 38277), (2193, 12759), (4253, 6579)]