26970003

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{8999}}^1$

素因数の和:9048

約数の個数: 20

約数和(自身を含む): 41382000

約数和(自身を除く): 14411997

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 8999, 26997, 80991, 242973, 332963, 728919, 998889, 2996667, 8990001, 26970003]

約数ペア:

[(1, 26970003), (3, 8990001), (9, 2996667), (27, 998889), (37, 728919), (81, 332963), (111, 242973), (333, 80991), (999, 26997), (2997, 8999)]