13125555

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^2$

素因数の和:236

約数の個数: 36

約数和(自身を含む): 23729472

約数和(自身を除く): 10603917

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 97, 155, 279, 291, 465, 485, 873, 1395, 1455, 3007, 4365, 9021, 9409, 15035, 27063, 28227, 45105, 47045, 84681, 135315, 141135, 291679, 423405, 875037, 1458395, 2625111, 4375185, 13125555]

約数ペア:

[(1, 13125555), (3, 4375185), (5, 2625111), (9, 1458395), (15, 875037), (31, 423405), (45, 291679), (93, 141135), (97, 135315), (155, 84681), (279, 47045), (291, 45105), (465, 28227), (485, 27063), (873, 15035), (1395, 9409), (1455, 9021), (3007, 4365)]