15990471

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4789}}^1$

素因数の和:4855

約数の個数: 24

約数和(自身を含む): 26900640

約数和(自身を除く): 10910169

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 4789, 14367, 33523, 43101, 100569, 253817, 301707, 761451, 1776719, 2284353, 5330157, 15990471]

約数ペア:

[(1, 15990471), (3, 5330157), (7, 2284353), (9, 1776719), (21, 761451), (53, 301707), (63, 253817), (159, 100569), (371, 43101), (477, 33523), (1113, 14367), (3339, 4789)]