12899979

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{2377}}^1$

素因数の和:2456

約数の個数: 20

約数和(自身を含む): 19566184

約数和(自身を除く): 6666205

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 2377, 5427, 7131, 21393, 64179, 159259, 192537, 477777, 1433331, 4299993, 12899979]

約数ペア:

[(1, 12899979), (3, 4299993), (9, 1433331), (27, 477777), (67, 192537), (81, 159259), (201, 64179), (603, 21393), (1809, 7131), (2377, 5427)]