28247085

素因数分解:

$3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3851}}^1$

素因数の和:4025

約数の個数: 24

約数和(自身を含む): 49274784

約数和(自身を除く): 21027699

約数列:

[1, 3, 5, 9, 15, 45, 163, 489, 815, 1467, 2445, 3851, 7335, 11553, 19255, 34659, 57765, 173295, 627713, 1883139, 3138565, 5649417, 9415695, 28247085]

約数ペア:

[(1, 28247085), (3, 9415695), (5, 5649417), (9, 3138565), (15, 1883139), (45, 627713), (163, 173295), (489, 57765), (815, 34659), (1467, 19255), (2445, 11553), (3851, 7335)]