28069839

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{26209}}^1$

素因数の和:26239

約数の個数: 24

約数和(自身を含む): 49065120

約数和(自身を除く): 20995281

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 26209, 78627, 183463, 235881, 445553, 550389, 1336659, 1651167, 3118871, 4009977, 9356613, 28069839]

約数ペア:

[(1, 28069839), (3, 9356613), (7, 4009977), (9, 3118871), (17, 1651167), (21, 1336659), (51, 550389), (63, 445553), (119, 235881), (153, 183463), (357, 78627), (1071, 26209)]