207906909

素因数分解:

$3^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{21383}}^1$

素因数の和:21856

約数の個数: 16

約数和(自身を含む): 317509632

約数和(自身を除く): 109602723

約数列:

[1, 3, 7, 21, 463, 1389, 3241, 9723, 21383, 64149, 149681, 449043, 9900329, 29700987, 69302303, 207906909]

約数ペア:

[(1, 207906909), (3, 69302303), (7, 29700987), (21, 9900329), (463, 449043), (1389, 149681), (3241, 64149), (9723, 21383)]