11340405

素因数分解:

$3^4\times 5^1\times {\mathrm{28001}}^1$

素因数の和:28018

約数の個数: 20

約数和(自身を含む): 20329452

約数和(自身を除く): 8989047

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 28001, 84003, 140005, 252009, 420015, 756027, 1260045, 2268081, 3780135, 11340405]

約数ペア:

[(1, 11340405), (3, 3780135), (5, 2268081), (9, 1260045), (15, 756027), (27, 420015), (45, 252009), (81, 140005), (135, 84003), (405, 28001)]