28714815

素因数分解:

$3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{3821}}^1$

素因数の和:3999

約数の個数: 24

約数和(自身を含む): 50083488

約数和(自身を除く): 21368673

約数列:

[1, 3, 5, 9, 15, 45, 167, 501, 835, 1503, 2505, 3821, 7515, 11463, 19105, 34389, 57315, 171945, 638107, 1914321, 3190535, 5742963, 9571605, 28714815]

約数ペア:

[(1, 28714815), (3, 9571605), (5, 5742963), (9, 3190535), (15, 1914321), (45, 638107), (167, 171945), (501, 57315), (835, 34389), (1503, 19105), (2505, 11463), (3821, 7515)]