2181567315

素因数分解:

$3^1\times 5^1\times {\mathrm{1361}}^1\times {\mathrm{106861}}^1$

素因数の和:108230

約数の個数: 16

約数和(自身を含む): 3493105056

約数和(自身を除く): 1311537741

約数列:

[1, 3, 5, 15, 1361, 4083, 6805, 20415, 106861, 320583, 534305, 1602915, 145437821, 436313463, 727189105, 2181567315]

約数ペア:

[(1, 2181567315), (3, 727189105), (5, 436313463), (15, 145437821), (1361, 1602915), (4083, 534305), (6805, 320583), (20415, 106861)]