1640893437

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{769289}}^1$

素因数の和:769377

約数の個数: 16

約数和(自身を含む): 2461728000

約数和(自身を除く): 820834563

約数列:

[1, 3, 9, 27, 79, 237, 711, 2133, 769289, 2307867, 6923601, 20770803, 60773831, 182321493, 546964479, 1640893437]

約数ペア:

[(1, 1640893437), (3, 546964479), (9, 182321493), (27, 60773831), (79, 20770803), (237, 6923601), (711, 2307867), (2133, 769289)]