28811985

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{3631}}^1$

素因数の和:3685

約数の個数: 24

約数和(自身を含む): 48203904

約数和(自身を除く): 19391919

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 529, 1587, 2645, 3631, 7935, 10893, 18155, 54465, 83513, 250539, 417565, 1252695, 1920799, 5762397, 9603995, 28811985]

約数ペア:

[(1, 28811985), (3, 9603995), (5, 5762397), (15, 1920799), (23, 1252695), (69, 417565), (115, 250539), (345, 83513), (529, 54465), (1587, 18155), (2645, 10893), (3631, 7935)]