28416405

素因数分解:

$3^1\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{1549}}^1$

素因数の和:2780

約数の個数: 16

約数和(自身を含む): 45532800

約数和(自身を除く): 17116395

約数列:

[1, 3, 5, 15, 1223, 1549, 3669, 4647, 6115, 7745, 18345, 23235, 1894427, 5683281, 9472135, 28416405]

約数ペア:

[(1, 28416405), (3, 9472135), (5, 5683281), (15, 1894427), (1223, 23235), (1549, 18345), (3669, 7745), (4647, 6115)]