40389513

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{4289}}^1$

素因数の和:4408

約数の個数: 16

約数和(自身を含む): 55872960

約数和(自身を除く): 15483447

約数列:

[1, 3, 43, 73, 129, 219, 3139, 4289, 9417, 12867, 184427, 313097, 553281, 939291, 13463171, 40389513]

約数ペア:

[(1, 40389513), (3, 13463171), (43, 939291), (73, 553281), (129, 313097), (219, 184427), (3139, 12867), (4289, 9417)]