1680493311

素因数分解:

$3^4\times 7^1\times {\mathrm{2963833}}^1$

素因数の和:2963852

約数の個数: 20

約数和(自身を含む): 2868991312

約数和(自身を除く): 1188498001

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 2963833, 8891499, 20746831, 26674497, 62240493, 80023491, 186721479, 240070473, 560164437, 1680493311]

約数ペア:

[(1, 1680493311), (3, 560164437), (7, 240070473), (9, 186721479), (21, 80023491), (27, 62240493), (63, 26674497), (81, 20746831), (189, 8891499), (567, 2963833)]