420165981

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{819037}}^1$

素因数の和:819065

約数の個数: 16

約数和(自身を含む): 655230400

約数和(自身を除く): 235064419

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 819037, 2457111, 7371333, 15561703, 22113999, 46685109, 140055327, 420165981]

約数ペア:

[(1, 420165981), (3, 140055327), (9, 46685109), (19, 22113999), (27, 15561703), (57, 7371333), (171, 2457111), (513, 819037)]