28872405

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15649}}^1$

素因数の和:15701

約数の個数: 24

約数和(自身を含む): 51269400

約数和(自身を除く): 22396995

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 15649, 46947, 78245, 140841, 234735, 641609, 704205, 1924827, 3208045, 5774481, 9624135, 28872405]

約数ペア:

[(1, 28872405), (3, 9624135), (5, 5774481), (9, 3208045), (15, 1924827), (41, 704205), (45, 641609), (123, 234735), (205, 140841), (369, 78245), (615, 46947), (1845, 15649)]