51147981

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{2647}}^1$

素因数の和:2785

約数の個数: 24

約数和(自身を含む): 78486720

約数和(自身を除く): 27338739

約数列:

[1, 3, 9, 19, 57, 113, 171, 339, 1017, 2147, 2647, 6441, 7941, 19323, 23823, 50293, 150879, 299111, 452637, 897333, 2691999, 5683109, 17049327, 51147981]

約数ペア:

[(1, 51147981), (3, 17049327), (9, 5683109), (19, 2691999), (57, 897333), (113, 452637), (171, 299111), (339, 150879), (1017, 50293), (2147, 23823), (2647, 19323), (6441, 7941)]