11591505

素因数分解:

$3^4\times 5^1\times {\mathrm{28621}}^1$

素因数の和:28638

約数の個数: 20

約数和(自身を含む): 20779572

約数和(自身を除く): 9188067

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 28621, 85863, 143105, 257589, 429315, 772767, 1287945, 2318301, 3863835, 11591505]

約数ペア:

[(1, 11591505), (3, 3863835), (5, 2318301), (9, 1287945), (15, 772767), (27, 429315), (45, 257589), (81, 143105), (135, 85863), (405, 28621)]