15205420979

素因数分解:

$7^1\times {\mathrm{347}}^1\times {\mathrm{1543}}^1\times {\mathrm{4057}}^1$

素因数の和:5954

約数の個数: 16

約数和(自身を含む): 17443296768

約数和(自身を除く): 2237875789

約数列:

[1, 7, 347, 1543, 2429, 4057, 10801, 28399, 535421, 1407779, 3747947, 6259951, 9854453, 43819657, 2172202997, 15205420979]

約数ペア:

[(1, 15205420979), (7, 2172202997), (347, 43819657), (1543, 9854453), (2429, 6259951), (4057, 3747947), (10801, 1407779), (28399, 535421)]