13420143

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{479}}^1$

素因数の和:779

約数の個数: 24

約数和(自身を含む): 21265920

約数和(自身を除く): 7845777

約数列:

[1, 3, 9, 11, 33, 99, 283, 479, 849, 1437, 2547, 3113, 4311, 5269, 9339, 15807, 28017, 47421, 135557, 406671, 1220013, 1491127, 4473381, 13420143]

約数ペア:

[(1, 13420143), (3, 4473381), (9, 1491127), (11, 1220013), (33, 406671), (99, 135557), (283, 47421), (479, 28017), (849, 15807), (1437, 9339), (2547, 5269), (3113, 4311)]