15380211

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 25804800

約数和(自身を除く): 10424589

約数列:

[1, 3, 7, 11, 21, 33, 77, 139, 231, 417, 479, 973, 1437, 1529, 2919, 3353, 4587, 5269, 10059, 10703, 15807, 32109, 36883, 66581, 110649, 199743, 466067, 732391, 1398201, 2197173, 5126737, 15380211]

約数ペア:

[(1, 15380211), (3, 5126737), (7, 2197173), (11, 1398201), (21, 732391), (33, 466067), (77, 199743), (139, 110649), (231, 66581), (417, 36883), (479, 32109), (973, 15807), (1437, 10703), (1529, 10059), (2919, 5269), (3353, 4587)]