12991833

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{1499}}^1$

素因数の和:1618

約数の個数: 20

約数和(自身を含む): 19602000

約数和(自身を除く): 6610167

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 1499, 2889, 4497, 8667, 13491, 40473, 121419, 160393, 481179, 1443537, 4330611, 12991833]

約数ペア:

[(1, 12991833), (3, 4330611), (9, 1443537), (27, 481179), (81, 160393), (107, 121419), (321, 40473), (963, 13491), (1499, 8667), (2889, 4497)]