28370655

素因数分解:

$3^4\times 5^1\times {\mathrm{70051}}^1$

素因数の和:70068

約数の個数: 20

約数和(自身を含む): 50857752

約数和(自身を除く): 22487097

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 70051, 210153, 350255, 630459, 1050765, 1891377, 3152295, 5674131, 9456885, 28370655]

約数ペア:

[(1, 28370655), (3, 9456885), (5, 5674131), (9, 3152295), (15, 1891377), (27, 1050765), (45, 630459), (81, 350255), (135, 210153), (405, 70051)]