51831981

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{33679}}^1$

素因数の和:33710

約数の個数: 20

約数和(自身を含む): 81505600

約数和(自身を除く): 29673619

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 33679, 101037, 303111, 639901, 909333, 1919703, 2727999, 5759109, 17277327, 51831981]

約数ペア:

[(1, 51831981), (3, 17277327), (9, 5759109), (19, 2727999), (27, 1919703), (57, 909333), (81, 639901), (171, 303111), (513, 101037), (1539, 33679)]