2806515

素因数分解:

$3^3\times 5^1\times {\mathrm{20789}}^1$

素因数の和:20803

約数の個数: 16

約数和(自身を含む): 4989600

約数和(自身を除く): 2183085

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 20789, 62367, 103945, 187101, 311835, 561303, 935505, 2806515]

約数ペア:

[(1, 2806515), (3, 935505), (5, 561303), (9, 311835), (15, 187101), (27, 103945), (45, 62367), (135, 20789)]