28155141

素因数分解:

$3^3\times 7^1\times {\mathrm{311}}^1\times {\mathrm{479}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 47923200

約数和(自身を除く): 19768059

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 311, 479, 933, 1437, 2177, 2799, 3353, 4311, 6531, 8397, 10059, 12933, 19593, 30177, 58779, 90531, 148969, 446907, 1042783, 1340721, 3128349, 4022163, 9385047, 28155141]

約数ペア:

[(1, 28155141), (3, 9385047), (7, 4022163), (9, 3128349), (21, 1340721), (27, 1042783), (63, 446907), (189, 148969), (311, 90531), (479, 58779), (933, 30177), (1437, 19593), (2177, 12933), (2799, 10059), (3353, 8397), (4311, 6531)]