51512139

素因数分解:

$3^3\times 7^1\times {\mathrm{479}}^1\times {\mathrm{569}}^1$

素因数の和:1064

約数の個数: 32

約数和(自身を含む): 87552000

約数和(自身を除く): 36039861

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 479, 569, 1437, 1707, 3353, 3983, 4311, 5121, 10059, 11949, 12933, 15363, 30177, 35847, 90531, 107541, 272551, 817653, 1907857, 2452959, 5723571, 7358877, 17170713, 51512139]

約数ペア:

[(1, 51512139), (3, 17170713), (7, 7358877), (9, 5723571), (21, 2452959), (27, 1907857), (63, 817653), (189, 272551), (479, 107541), (569, 90531), (1437, 35847), (1707, 30177), (3353, 15363), (3983, 12933), (4311, 11949), (5121, 10059)]