28081965

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{3539}}^1$

素因数の和:3593

約数の個数: 24

約数和(自身を含む): 46982880

約数和(自身を除く): 18900915

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 529, 1587, 2645, 3539, 7935, 10617, 17695, 53085, 81397, 244191, 406985, 1220955, 1872131, 5616393, 9360655, 28081965]

約数ペア:

[(1, 28081965), (3, 9360655), (5, 5616393), (15, 1872131), (23, 1220955), (69, 406985), (115, 244191), (345, 81397), (529, 53085), (1587, 17695), (2645, 10617), (3539, 7935)]