18507123

素因数分解:

$3^6\times {\mathrm{53}}^1\times {\mathrm{479}}^1$

素因数の和:550

約数の個数: 28

約数和(自身を含む): 28330560

約数和(自身を除く): 9823437

約数列:

[1, 3, 9, 27, 53, 81, 159, 243, 477, 479, 729, 1431, 1437, 4293, 4311, 12879, 12933, 25387, 38637, 38799, 76161, 116397, 228483, 349191, 685449, 2056347, 6169041, 18507123]

約数ペア:

[(1, 18507123), (3, 6169041), (9, 2056347), (27, 685449), (53, 349191), (81, 228483), (159, 116397), (243, 76161), (477, 38799), (479, 38637), (729, 25387), (1431, 12933), (1437, 12879), (4293, 4311)]