12899691

素因数分解:

$3^2\times 7^2\times {\mathrm{29251}}^1$

素因数の和:29271

約数の個数: 18

約数和(自身を含む): 21675732

約数和(自身を除く): 8776041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 29251, 87753, 204757, 263259, 614271, 1433299, 1842813, 4299897, 12899691]

約数ペア:

[(1, 12899691), (3, 4299897), (7, 1842813), (9, 1433299), (21, 614271), (49, 263259), (63, 204757), (147, 87753), (441, 29251)]