55139889

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{269}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 86676480

約数和(自身を除く): 31536591

約数列:

[1, 3, 7, 21, 43, 129, 227, 269, 301, 681, 807, 903, 1589, 1883, 4767, 5649, 9761, 11567, 29283, 34701, 61063, 68327, 80969, 183189, 204981, 242907, 427441, 1282323, 2625709, 7877127, 18379963, 55139889]

約数ペア:

[(1, 55139889), (3, 18379963), (7, 7877127), (21, 2625709), (43, 1282323), (129, 427441), (227, 242907), (269, 204981), (301, 183189), (681, 80969), (807, 68327), (903, 61063), (1589, 34701), (1883, 29283), (4767, 11567), (5649, 9761)]