208998315

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{33413}}^1$

素因数の和:33563

約数の個数: 24

約数和(自身を含む): 364880880

約数和(自身を除く): 155882565

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 6255, 33413, 100239, 167065, 300717, 501195, 1503585, 4644407, 13933221, 23222035, 41799663, 69666105, 208998315]

約数ペア:

[(1, 208998315), (3, 69666105), (5, 41799663), (9, 23222035), (15, 13933221), (45, 4644407), (139, 1503585), (417, 501195), (695, 300717), (1251, 167065), (2085, 100239), (6255, 33413)]